If you have been using Android for as long as I have, you probably have a knee-jerk reaction to the words "phone cleaner." It brings to mind images of Cheetah Mobile's infamous Clean Master, shady ...

This open-source free file manager ended up being the biggest app on my Android.

People use smartphones everywhere, without necessarily realizing they're exposing the handsets to all sorts of germs and dirt. In addition to collecting dirt while in use, phones can accumulate dust ...