I am making updateds about once a month (I add real features) to keep current users happy (they use my apps again just do discover new options). Another thing i

I am making updateds about once a month (I add real features) to keep current users happy (they use my apps again just do discover new options). Another thing if you update your app after some defined by google period your app is shown on the top of new apps again (this does not work if you update too often).