Why are there not more andriod apps which work on ofline mode?

I live in Sweden which is a sparsely populated country this fact contributes to the fact that there’s not always cellular coverage in Sweden especially in the countryside. It’s a problem that many andriod apps rely on having Internet access. It is important to design apps to work offline with as many features as possible to make it usable offline. Off line apps also works better in developing countries and emergency situations when there’s a limited supply of power and might be problems with cellular coverage.

I think andriod market and governmental agencies which deal with telecommunications should encourage andriod developers to make more apps which works offline.