Files by Google: Clean up space on your phone – Apps on Google Play. You know who you are. You download every app you see, and then never use them again. You have digital detritus scattering the landscape of your mobile phone, and your essential data is never backed up. If someone needed one of your phone files, you wouldn’t know where to begin to find it, or how to send it to them. Well, Google has your back. The newly updated Files app makes phone organization and clean up automatic. Now, clean your phone.