Skitch compare (Android)

If you are looking for an app that is essentially a digital pad of colored sticky notes for grocery lists and quick reminders, then Google Keep is perfect. Otherwise, look elsewhere or wait until this newborn gets upgraded with more powers.

If you're looking for a full-featured note-taking app that syncs across all platforms -- or just an easy way to keep track of your digital odds and ends -- Evernote is the best I've seen for Android.

It may not spell out its methods in a Help section, but Advanced Mobile Care is effective at scanning and optimizing your Android system.

PushBullet is the easiest way to get files, links, notes, lists, and addresses from your desktop computer to your Android device.