https://play.google.com/store/apps/details?id=com.iandrobot.andromouse&feature=search_result
Convert your phone into wireless mouse, keyboard and much more
google playremotemousekeyboardapps
https://support.apple.com/nl-nl/guide/logicremote-logicpro-iphone/chs39282dbe/ios
In Logic Remote op de iPhone kun je keyboards bespelen en keyboardinstellingen aanpassen.
logic remotespelenophetkeyboard