If you really want to control how your customers are allowed to use the thing you can put a limit like 3 or 4 apps maximum. For example I think this phone needs

If you really want to control how your customers are allowed to use the thing you can put a limit like 3 or 4 apps maximum. For example I think this phone needs at least a way to read e-books but it's possibly not going to be implemented. IF there was an API I could write my own e-book reader for it.