is it possible through extension or something like that?
Hello Oscar
Do you mean you wish to launch other Apps from your App? If so, then yes, it’s possible using ActivityStarter.
unfortunately this is currently not available in MIT App Inventor
and I do not know, if it could be provided as extension, probably not...
Taifun
Trying to push the limits! Snippets, Tutorials and Extensions from Pura Vida Apps by 
Taifun.