T Assistive Pro Touch uses an accessibility service to help users with disabilities to perform custom actions through the assistive icon; also allows control your device without using physical buttons.
T Assistive Pro Touch is the evolution of T Assistive Touch: simple accurate and light.
T Assistive Pro Touch is designed for smartphone and tablet.

Do you want to try the free version ? https://play.google.com/store/apps/details?id=com.tdev.tassistive

Available actions:
Screen off
Home button
Recent apps
Expand notifications
Search
Audio levels
Wireless
Bluetooth
Synchronization
Rotation
Audio
Back button
Settings
Power menu
Split screen
Brightness
Torch
Brightness mode
Screenshot
GPS settings
NFC settings

This app uses the device administrator permission.

Privacy information: https://tomiatidev.wordpress.com/2017/05/26/t-assistive-pro-touch-privacy-policy/