[Open Assets] Button check - simple, free to use script.

[Revenge_of_Shadow]

It is based on Tatsuru's custom ability tutorial. If you need to do special action when you hold the button down, here you go.
It just prints in console whether button is being pressed and timer.

 

[Larz T]

Everything checks out and is functional, welcome to releases!

 

[Basic Bronze Sonic]

Yay now playing on mobile is a lot better so thank you for the mod dude.