Bees bring automatic income in FS 20 Android. There is the sound of flying bees.
The downside is that if you put more than one hive, the texture becomes buggy. But enough: if they are not placed close to each other, then the textures do not disappear.
The income is not big, but you don’t need to do anything with them! This is a very profitable apiary for farmers of the mobile game Farming Simulator 20.