If you want to turn your Android device into a fully functional computer, you can search among a lot of operating system apps there are basically 3 operating system apps you can do this easily by connecting your Android device to a screen or TV using a mouse and keyboard.
How to turn your Android phone into a computer using Sentio Desktop for Android versions (Lollipop, Marshmallow).
The free public data for the Sentio Desktop operating system for Android versions (Lollipop, Marshmallow) is limited in time but works perfectly on a Snapdragon 800 processor or when there is an external p1080 display and a 2GB RAM processor.
At least Android version Lollipop (a version of the Android mobile operating system developed by Google) or later versions of Android is required for it to work properly.
Step 1: Download and install the Sentio Desktop app on your Android device.
Step 2: Once installed, grant the application access, and click OK
Step 3: To grant access to the notification, grant access to your phone's notification Step
4: When you see the home screen on the Sentio Desktop operating system, click the "OK" step
5: The Sentio Desktop has been turned on and you can see it on the notification panel to launch it.
How to turn your Android phone into a PC using UI Leena Desktop
Use the UI Leena Desktop app: is a multiple window where you can bring your desktop operating system to your Android device and expand your Android system through the original desktop user interface and Leena Desktop turns your Android phone into a desktop-like environment
Step 1: Download and install Leena Desktop UI
Step 2: Then open the application and see the step screen
Step 3: Allow Leena Player to access the media, photos, and files on your device
Step 4: When you can see the full desktop experience, tap Settings in the left corner of the screen to set everything according to your desire
Step 5: Open the application or files in multi-window mode It integrates the Android ecosystem as an integrated desktop operating system
How to turn your Android phone into a PC using Sentio Desktop
Important note: Sentio Desktop for Android (Lollipop, Marshmallow) differs from Sentio Desktop for Android 7.0 and above. Both have the same name but each has a different Android version.
Use Sentio Desktop: Sentio Desktop turns your smartphone or tablet into a PC by adding a whole new layer of beautiful UI / desktop to your Android phone. You'll get all the desktop features you know and love along with the vicissitudes of mobile devices that take Android OS to the next level
Step 1: Download and install the Sentio Desktop app on your smartphone
Step 2: Open the app and fill the step screen
Step 3: Press the "Start Shift" button step
Step 4: Grant the Overlay and Developer permission to see the interface on your mobile phone
Step 5: Go to Start menu from Sentio application and get multi-step windows support
Step 6: Go to Quick Setup to control flash light, sounds, grid, and hotspot
So simply this is how you can turn your Android phone into a fully functional PC using 3 OS apps