Once you start using Evernote, this note-taking app becomes a powerful tool for organizing just about everything. Notes can be anything—text, images, audio, or a mix—and are organized into notebooks. One of its killer features is optical character recognition, which makes the text in images searchable. Cloud-storage makes it the perfect tool for organizing the little pieces of a project into a finished draft.

The Amazon-owned ComiXology —the iTunes of digital comics—offers a near-perfect combination of store and comic book reader in its wonderful Comics app. The free app transforms your Android smartphone or tablet into a digital long box that houses and syncs your purchases across multiple devices. Even better, the new Comixology Unlimited service lets you devour an ever-expanding catalog of titles for just $5.99 per month. Once you have the app downloaded, you should make sure to read our feature on digital comic books you should read right now. Droid App