Thank you for sharing your game development experience!
I really appreciate that you didn't sugarcoat the matter - game development is far from a cake walk. I equally appreciate that you didn't discourage from trying. Its an uphill struggle but its not impossible.
Looking at the game, I personally feel that you might have benefited from thinking about 'why' players would want to play your game specifically.
By answering this you might have been able to make a minor change that would have made it much more popular.
Example: Is there a reason why the player is catching this rain? Maybe its a matter of survival or maybe you run a special soda pop factory where sky-fall-pure rain water is a necessary ingredient.
Or maybe it not about rain at all - maybe you are a little angel or fairy catching tears of sorrow while letting pass on tears of anger.
It adds a layer of meaning and emotional investment.
Well... I am a non-start game designer myself so this is just an unqualified opinion on the matter. I do hope your next effort goes much better. _
RE: My failure as an android game developer + a couple of tips for newbie devs