If you can put up with your app having adverts then this is for you. Free App creator for android devices but not AppStore – I have emailed them!
You can have a range of features:
Multiple choice quiz
Match pairs game
Music tracks to sites with mp3/OGG (great for podcasts)
Youtube videos or youtube playlists
PDF, Word, PowerPoint files
Follow steps to publish app on store. Get QR code for direct link
Anyone done this for their students?