Making a JOJO game but cant figure out mobile?

so I'm Making a JOJO game but can't figure out how to add mobile buttons to summons stand like for instance q is to summon how do I make a mobile button when pressed down summons the stand also I'm confused on The ContextActionService also thanks for helping me to whoever does :)

Avoid using ContextActionService as it is very unreliable, perhaps follow a tutorial that doesn't use ContextActionService.