Only work on Samsung devices
Not support for Galaxy J, Grand Prime, Core Prime
About Galaxy Button Light:
✔ Samsung Button Light & Vibration is simple tool help you can select how long the capacitive buttons (Recent apps and Back keys) stay light of Samsung devices, enable/disable vibration of keys
✔ This application has many selections for backlight: always on when the screen is on, always off, default duration (1.5 seconds) or custom time on duration by yourself from 1 to 10 seconds.
✔ If you turn on Power Saving Mode, the buttons will always be off until you turn off Power Saving Mode
✔ Easy and simple to use, working without Root permission
– The application may not work with Custom ROMs. Only Samsung Stock ROM can control the lighting.