20 Cool Things You Didn’t Know Your Smartphone Can Do

20 Cool Things You Didn't Know Your Smartphone Can Do - We Observed

20 Cool Things You Didn’t Know Your Smartphone Can Do

A smartphone is a mobile phone with an advanced mobile operating system which combines features of a personal computer operating system with other features useful for mobile or handheld use.It typically combines the features of a cell phone with those of other popular mobile devices, such as personal digital assistant (PDA), media player, GPS navigation unit and digital camera. Most smartphones can access the Internet and can run third-party apps. They have a touchscreen user interface, with LCD, OLED, AMOLED, LED or similar screen. A smartphone is a combination of Powerful Smart operating system, sensors, Transmitter, receiver and some other features.And now days only taking pictures, watching movies and pictures, Surfing the web is very normal things a Smartphone could do so everyone is searching for more possibilities and things a Smartphone can do.So in this Post, we are introducing some of the very popular things and tasks a Smartphone can do you probably Didn’t Know about.
So here are the 20 Cool Things You Didn’t Know Your Smartphone Can Do.

1.Remotely Control Your PC with your Smartphone

20 Cool Things You Didn't Know Your Smartphone Can Do - We Observed

Having trouble to access a file from the desktop when you are not at your home or office, then there are some apps are available with them you can solve your problem.So In this article “Control Your Desktop From Mobile With These Amazing Apps” We are Introducing some of the best apps to control your desktop over wifi or Bluetooth with your smartphone.Remote desktop has prone to be popular among the desktop and mac infrastructures, But finding the best Free Android app for remote desktop can be tricky at times.Therefore We have researched and found some good quality apps and explained in our article for those who are looking for the best remote desktop app for android to get the work done easily and fluently.So here is the list of some very good desktop controlling apps.


2.Control Your TV and AC with your Smartphone

20 Cool Things You Didn’t Know Your Smartphone Can Do-We Observed20 Cool Things You Didn’t Know Your Smartphone Can Do-We Observed
There are two options first if you have inbuilt IR Blaster then use IR Universal Remote+ wifi app and turn your phone into a full-featured remote.

IR Universal Remote™ turns your phone into a real universal remote controller. Use your phone’s built-in IR Blaster to control infrared devices such as your TV, Cable Box, Satellite Receiver, Bluray Player, Sound Bar, DVD Player, Game Console, DVR, and more! Don’t have an IR Blaster? No problem! IR Universal Remote also has smart remote control capabilities. Control your LG Smart TV, WebOS, and Samsung TV over WiFi and cast your favorite photos, videos, and music to Chromecast, Xbox One, Android TV, Fire TV, LG TV, and Roku. There are thousands of supported manufacturer models with hundreds of thousands of IR remote codes. Whether you need a TV remote controller or a way to stream your videos to your Chromecast you can always use IR Universal Remote.
Please verify that your phone or tablet has a built-in IR Blaster. THE INFRARED REMOTES REQUIRE AN IR BLASTER TO WORK. If your phone does not have an IR blaster then you will be limited to the WiFi remotes only.

Here is a list of known supported devices with IR Blasters.
IR Universal Remote™ + WiFi – Android Apps on Google Play Rating: 3.5 – ‎30,323 votes – ‎Free

And the second Option is if Your Smartphone don’t have inbuilt IR sensor then buy it, with and attach to your phone Read More Here-

20 Cool Things You Didn't Know Your Smartphone Can Do - We Observed
Having two displays for a desktop or laptop computer can give you more space to spread out your cramped documents, web & file browsers etc… that’s why today I am going to explain the way to convert Android tablet as Secondary Display.Yes, this is true If you own an Android tablet then you can use it as Secondary Display. Android tablet is a perfect substitute for a second display due to its larger and smooth screens.but it’s not mean that your Android SmartPhone Will Not work. Follow this handy guide and use your Android tablet as Second Display easily.
20 Cool Things You Didn't Know Your Smartphone Can Do - We Observed
An Android Controlled robot is a simple robot which is operated by an Arduino Board, L298N Motor Controller, Bluetooth Module(HC-05) and It Can Be Controlled By and Bluetooth Device we are using an Android SmartPhone for controlling it.Attached Bluetooth Module receive the given command which is given by The Android SmartPhone and the connected Arduino Detects the command and then it controls the Motor rotation with a Motor Driver Board (L298n Motor Driver).An Android Controlled Robot can be used as a Multifunctional bot I mean it can be used in many tasks and Operations like Simple Rover, Spying Bot etc.Just we have to attach sensors and equipment on it.


5.Measure Hight and distance with your smartphone

Use Smart Measure tool is a collection of tools that make your Smartphone able to measure Hight and Distance with the help of Phone camera.This rangefinder(telemeter) measures the distance and height of a target with your phone by trigonometry.

Usage is simple: just stand up and press the shutter. The important point is aiming the camera at the GROUND, NOT the object. (i.e. In order to measure the distance from someone, aim at his shoes.)
Now, 3 tools for distance were completed.
1) Smart Ruler (short, touch) : 1-50cm
2) Smart Measure (medium, trigonometry) : 1-50m
3) Smart Distance (long, perspective) : 10m-1km
* Pro version added Features:
– Width and Area can be measured
– Portrait mode

– Camera Zoom
– Virtual Horizon
– No ads

Smart Measure – Android Apps on Google Play
Rating: 3.5 – ‎1,23,561 votes – ‎Free
Smart Measure Pro – Android Apps on Google Play

Rating: 4 – ‎899 votes – ‎US$ 1.50


6.Check Your Remote

Most standard remote controls send signals to your home theater gear using a beam of infrared light, which a sensor on your hardware picks up. You can’t see this beam, but your smartphone’s camera can! So, if your remote isn’t working right, you can use your phone to check if your remote needs fresh batteries.

Just point the remote at the camera, and press any button on the remote.If the remote is working properly, you should see a flicker of light come from the IR blaster as viewed through your phone’s screen.Read More and view the related video here-

Use your smartphone to check your remote control batteries


7. Use it as a hacking Machine

As you know Kali Linux is an Advanced Penetration Testing Linux distribution used for Penetration Testing, Ethical Hacking, and network security assessments.And Now you can run it on Your own Android Smartphone using Linux deploy.

Rating: 4 – ‎7,562 votes – ‎Free

This application is open source software for quick and easy installation of the operating system (OS) GNU/Linux on your Android device.
The application creates a disk image on a flash card, mounts it and installs an OS distribution. Applications of the new system are run in a chroot environment and working together with the Android platform. All changes made on the device are reversible, i.e. the application and components can be removed completely. Installation of a distribution is done by downloading files from official mirrors online over the internet. The application requires superuser rights (ROOT).
The program supports multi-language interface. You can manage the process of installing the OS, and after installation, you can start and stop services of the new system (there is support for running your scripts) through the UI. The installation process is reported as text in the main application window. During the installation, the program will adjust the environment, which includes the base system, SSH server, VNC server and desktop environment. The program interface can also manage SSH and VNC settings.
Installing a new operating system takes about 30 minutes. The recommended minimum size of a disk image is 1024 MB (with LXDE), and without a GUI – 512 MB. When you install Linux on the flash card with the FAT32 file system, the image size should not exceed 4095 MB! After the initial setup, the default password for SSH and VNC is changeme. The password can be changed through standard OS tools.

Rating: 4 – ‎7,562 votes – ‎Free

8.As a spying Gadgets.

Most and all smartphone have inbuilt FM Receiver.And with this feature, we can use it as a spying gadgets.You just have to make an FM transmitter Bug and put this small bug anywhere in the range and after switching it on.you can hear and record everything through the Bug’s MIC.

Learn How to make a spying Bug Here-

The Ultimate FM Transmitter (Long Range Spybug)by ASCAS
Wearable FM Transmitter(250 m range,easy setup)by Gursimran Singh 425

9.Search just by Picture


20 Cool Things You Didn’t Know Your Smartphone Can Do – We Observed

No need to type anything just install the Google’s Goggles app and take a picture.The app will scan it and gives you available data about it.Google Goggles is an app by which You can Search by taking a picture: point your mobile phone camera at a painting, a famous landmark, a barcode or QR code, a product, or a popular image. If Goggles finds it in its database, it will provide you with useful information.Goggles can read the text in English, French, Italian, German, Spanish, Portuguese, Russian, and Turkish, and translate it into other languages.Goggles also work as a barcode / QR code scanner.


– Scan barcodes using Goggles to get product information
– Scan QR codes using Goggles to extract information
– Recognize famous landmarks
– Translate by taking a picture of foreign language text
– Add Contacts by scanning business cards or QR codes
– Scan text using Optical Character Recognition (OCR)
– Recognize paintings, books, DVDs, CDs, and just about any 2D image
– Solve Sudoku puzzles
– Find similar products

Google Goggles – Android Apps on Google Play


Rating: 4 – ‎3,25,847 votes – ‎Free


10.Use it as a Wireless Mouse or Touchpad

20 Cool Things You Didn’t Know Your Smartphone Can Do-We Observed20 Cool Things You Didn’t Know Your Smartphone Can Do-We Observed

There are many apps are available on play store for controlling your PC and using some of the apps you can use your smartphone as a fully featured touchscreen mouse, I found two very popular apps Wifi Mouse and Remote Mouse.so Transform your phone into a wireless mouse, keyboard, remote desktop and trackpad using These apps. it enables you to control your PC, MAC or HTPC effortlessly through a local network connection.Wifi/Remote Mouse turns your mobile phone or tablet into a wireless user-friendly remote control for your computer. It’ll surprise you with fully simulated touchpad, keyboard and featured remote panels which make your remote experience simple and efficient.
Giving a presentation? Or watching an online movie? We make it dead easy to control your PC/Mac! Just sit back and enjoy the day.

WiFi Mouse | keyboard – Android Apps on Google Play 

Rating: 4 – ‎38,842 votes – ‎Free

Remote Mouse – Android Apps on Google Play 

Rating: 4 – ‎50,022 votes – ‎Free


11.Digitize your old Negative or use it as a Film Scanner

20 Cool Things You Didn't Know Your Smartphone Can Do - We Observed

Scan your favorite clips in just one click! Bring back those good old memories instantly! ASCAS( Member of Instructables) made a project about building a “Portable Smartphone Film Scanner” for less than $5. Compatibility is good with iPhone, iTouch, Galaxy S4, HTC or any other smartphone brands on the market.Just Read the amazing Step by step guide to making a Portable Smartphone Film Scanner here-

How To Make DIY Smartphone Film Scanner-Ascas

12.Turn Your Smartphone into a Home Made Projector

20 Cool Things You Didn't Know Your Smartphone Can Do - We Observed
Make a Projector with Your SmartPhone, a Shoe Box, and a Magnifying Glass.The project is so easy & cheap.And You can make your own Projector in less than 30 minutes.A phone based projector is a great way to show off your mobile photos and Videos.A projector provides a new way of looking at your shots, and videos.
A projector or image projector is an optical device that projects an image (or moving images) onto a surface, commonly a projection screen.Most projectors create an image by shining a light through a small transparent lens, but some newer types of projectors can project the image directly, by using lasers.
Read This Guide To Make A Home Made Projector With a Smartphone, Shoe box and Magnifying glass:-

Make a Projector with Your Smartphone, Shoe box and Magnifying glass

13.Use it as a leveling tool

A bubble level, spirit level or simply a spirit is an instrument designed to indicate whether a surface is horizontal (level) or vertical (plumb). Bubble Level app is handy, accurate, simple to use and incredibly useful tool for your Android device.
A traditional modern level meter has a slightly curved glass tube which is incompletely filled with a liquid, usually a colored spirit or alcohol, leaving a bubble in the tube. At slight inclinations, the bubble travels away from the center position, which is usually marked. Bubble Level app tries to mimic the real level meter and displays the data as real level meter would.
Bubble Level app also features a bull’s eye level meter which is a circular, flat-bottomed device with the liquid under a slightly convex glass face with a circle at the center. It serves to level a surface across a plane, while the tubular level only does so in the direction of the tube. Bubble Level app tries to mimic the real bull’s eye level and displays the data as real bull’s eye level meter would.


Bubble Level – Android Apps on Google Play
Rating: 4.5 – ‎30,194 votes – ‎Free


Bubble level (No Ads) – Android Apps on Google Play


Rating: 4 – ‎1,21,177 votes – ‎Free


14.Turn Your Smartphone into a 3d hologram Projector

20 Cool Things You Didn't Know Your Smartphone Can Do - We Observed

Use your smartphone to project 3D holographic images and videos without any modification or 3D goggles Be mystified by images and videos popping on your smartphone!!All this from a piece of clear plastic sheet and your Smart Phone.

Turn Your Smartphone into a 3d Hologram Projector


15.Use as Heart Rate Monitoring Gadgets

Your smartphone can be as Heart Rate Monitoring Gadget, without any external hardware.There are many apps but Instant Heart Rate is most popular and accurate.
Instant Heart Rate is the most accurate Heart Rate Monitor app for any smartphone and it does not need any external hardware. Use it for optimizing your exercise and to track your progress.
Install it now and keep fit.Download the Pro version for unlimited tracking and no ads.Its Accuracy is constantly tested by fitness coaches, athletes and 25 million users like you.Just Place the tip of your index finger on phone’s camera and in a couple of seconds, your HR will be shown. A real-time chart will show your every heart beat rhythm pace.It uses your phones built-in camera to track color changes on the fingertip that are directly linked to your pulse. This is the same technique that medical pulse oximeters use. Many of our users have cardiovascular disease, stroke, Afib (atrial fibrillation), heart attacks, stress, and diabetes.

Instant Heart Rate – Android Apps on Google Play


Instant Heart Rate 






16.It Can Host Your Own Website

If You want to host a website then your Smartphone is able to do that in very low cost but with some limitation.Read the informative post by Yahya Kisana from androidguys with step by step guide to Convert Your android smartphone into a Website hosting device.
Thanks to your Android device’s capabilities you can host a website by yourself. Note this is not meant to be the perfect solution for anyone and everyone. But, it’s helpful for developers who want to test their website or people who want to learn and test capabilities of their Android. Read More-

How to host a website on your Android device

17.It Can Control a Paper Plane

20 Cool Things You Didn't Know Your Smartphone Can Do - We Observed20 Cool Things You Didn't Know Your Smartphone Can Do - We Observed
PowerUp 3.0 allows you to remotely control a paper airplane through a Bluetooth-connected smartphone or tablet.
Visit It PowerUp’s official website to see it in action.

And Visit Here to Order PowerUp 3.0

18.Control Home Appliance

With an app based project, You can control the electronic appliances in the home by an android app.By using this app, we can control the electronic appliance in 3 rooms where each room has a capability of having 4 electronic appliances(1 analog and 3 digital electronics).Totally we can control 3 analog and 9 digital electronics by this app.Read Step Bu Step Guide Here-

Bluetooth controlled home electronic appliances by achakravarthi

19.Find Another lost Smartphone

20 Cool Things You Didn't Know Your Smartphone Can Do - We Observed
We know the importance of Smartphone in our life, And A Smartphone will be more useful if you had lost your own smartphone.You know How? A smartphone also can trace another smartphone.Just use another Smartphone of your friend or family member to find your smartphone.just read about some of the available apps in our this Post.

Top 5 Helpful Apps to Find Your Lost SmartPhone


20. As a Security Camera

Want to monitor your home or business while you’re away.Then an android Smartphone can help you in it.It will also save some cost.Just use an old Android Smartphone and convert it into a security camera. It will be always-on, wireless camera.You just have to install AtHome Video Streamer app and have to connect the internet. Here’s how to turn your Android device into a security camera.

AtHome Video Streamer- Monitor – Android Apps on Google Play Rating: 4 – ‎4,586 votes – ‎Free

AtHome Video Streamer turns more than 10 million devices worldwide into an IP Camera, acting as baby monitor, pet camera, nanny cameras, elder care etc. All platforms are supported, including computers, smartphones and tablet PC.
Used together with AtHome Camera, you can easily and remotely control your camera on your phone from anywhere.
This free app supports full of professional functions, like scheduled recording, alarm recording, email and push notification, remote capture, two-way talk, video preview, split-screen viewing, video capture, cloud storage of alarm video etc. Video streaming with powerful encryption and P2P transfer technology makes it more secure! AtHome is the best choice for your home video surveillance.


How to Use Your Android Device as a Security Camera-Laptopmag

Also read:-

How To Speedup Your Android Smartphone Easily || How to Manually Upgrade or Flash Your Android Smartphone

Feel Free to comment and share and inform us if you have some more idea and known things or tasks which can be done by a smartphone and keep visiting.

Sourabh Kumar

About Sourabh Kumar

Sourabh Kumar is the founder of weobserved.com, he is a Tech savvy Engineer, Artist, and a Blogger, living in Jaipur, India. He is a fan of photography, technology, Robotics, and Creative Artworks. He is also interested in programming and innovation. He loves technology, gadgets and Spends lots of time with them.

View all posts by Sourabh Kumar →

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