Descriptions : Assistive Touch is a simple touch tool for other operating systems and now has similar apps for Android. It's fast, smooth, and completely FREE.
With a floating control panel on the screen, you can use your Android smartphone with ease. More conveniently, you can quickly access all of your favorite apps, games, settings, and quick toggles. You can use the Smart Clean feature to clean up running background apps and help your phone faster. Assistive Touch is also an ideal app for protecting the physical buttons (home button and volume button). It is very useful for a large screen smartphone.
+ Virtual home button, single touch to lock the screen and open the last task
+ Virtual volume button, quick touch to change volume and sound mode
+ Clean RAM, increase speed, one-touch boost
+ Simple touch to open your favorite application
+ Go to all settings very quickly with one touch
Required Android Versions : KitKat [4.4–4.4.4] - Lollipop [5.0–5.0.2] - Marshmallow [6.0 - 6.0.1] - Nougat [7.0 – 7.1.1] - Oreo [8.0-8.1]