From an user side, i think what ZenStudio did with ZenPinball is the best way to do.
You pay for the first level when buying the .apk, and you have in app buy for other level.
Same for Windup knight.
Theses are the games where i spent most money on Android.
Regards
You pay for the first level when buying the .apk, and you have in app buy for other level.
Same for Windup knight.
Theses are the games where i spent most money on Android.
Regards