Make your own remote with fully customizable buttons & instructions
Can use with Bluetooth modules like HC-06, HC-05

Special Features
★Can make any number of remotes with various push/toggle buttons and save them
★You can use them to control BT cars, robots, and also some home automation(like control lights in your room)
★Can turns on Bluetooth from app
★Can scan for available devices
★Can select relevant device when more than one device available
★Save the last connected devise mac address with remote. It means no need to connect when you use your remote after 1st time. It will auto connect to relevant module with saved mac address.

See these arduino code examples to make your own code:-
https://github.com/CSAapps/Bluetooth-Remote-Examples