Funny thing, someone tried to submit a demo to appstore. It got insta-failed approval for the use of the word “demo” in the description, because don't allow “demo versions” of applications in the store. He tried to explain the nature of the application, and in the end still didn't get through approval, exactly because it didn't have any interactivity, so there was no perceived use for users.
So the issue is distribution, if you can't put it to friends device without jumping through hoops, it gains less interest.
I haven't followed android-scene that much, but I believe there are at least some ports of demos available. There the hoops are in supporting different kind of devices.
But asking for money? Not in the spirit of scene, how are you gonna ‘show off’ your mad skills if you are gonna ask for money? :)
