Button Mapper can remap most of the physical or capacitive keys and buttons such as volume buttons, Bixby button on Samsung devices, LG Assistant button and capacitive keys for start, back and recent apps found on devices from Samsung, ASUS, HTC, OnePlus, Xiaomi and others. Button Mapper can also remap buttons on many gamepads and other peripheral devices.
+ Simulate key codes (requires adb or root command)
+ Swap volume keys in orientation change
+ Default to media volume (or ring volume on Android Pie or later)
+ Pocket detection
+ Themes
+ long press to toggle your flashlight
+ press to transmit intentions, scripts or custom Android commands
+ long press to open the camera and take a photo
+ double tap to start your favorite app or shortcut
+ press and hold the home button to turn off the screen
+ double tap button to open your notifications
+ swap the keys of your recent and later apps
+ use the volume buttons to adjust the brightness of the screen
+ long press to toggle “do not disturb” mode
+ and much more, the possibilities are endless

Supported Android
(4.1 and up)
Jelly Bean (4.1 – 4.3.1),KitKat (4.4 – 4.4.4),Lollipop (5.0 – 5.1.1),Marshmallow (6.0 – 6.0.1),Nougat (7.0 – 7.1.1),Oreo (8.0-8.1), Pie(9.0)

Download Button Mapper Remap your keys 1.46 Pro APK AOSP

ButtonMapperv1.46[Pro