Arduino Bluetooth Home Automation is an easy to use Android application. Using this application you can remotely control your home appliances connected to micro controller (Arduino/Raspberry pi/etc.) via Bluetooth serial communication module HC-05/HC-06/HC-07.

This application has Synchronization feature that automatically sync connected device status.
This has feature to customize button name as per your need.

Arduino Bluetooth Home Automation app also try to auto reconnect to the last used device, so you won't have to select it every time you use it.