Those ports aren't officially supported. You'll have to contact the author(s). Having said that, it sounds like you're missing the correct plugin for the SCUMM engine. So maybe uninstall all the packages related to scummvm, install just 2 APKs (the scummvm one and the scumm one) from the same build...

Ohoy Everyone I to run The curse of monkey Island game on ScummVM TouchMod port http://forums.scummvm.org/viewtopic.php?t=9644 I press 'choose' on the folder with the necessary data files (COMI.LA0, COMI.LA1, COMI.LA2 and Resource Folder). It says: "ScummVM could not find any game in the specif...