my first idea is a Gaming platform, I was thinking using xml to store data like highscore, friends, age, profile pic hash, etc...
there would be a app api for both android, and linux distros, windows and mac later on
the app would connect to ipfs for you, control ipns, files etc, so that the normal user doesn't even really have to know how it all works, and a way to copy keys between your devices to keep the same profile with methods like bluetooth, codes, Bar codes etc...
also a way to share your ipns name to your friends in a somewhat easy to do way