For iOS, Android, Chrome, Windows Phone -- whatever.
I already learned about Pushbullet today, and really like it. It exists on almost every platform. Seriously.
I'd also recommend Scanbot for iOS, which has replaced my HP scannerprinterfax as the easiest, fastest way to consume a document and share it. But Evernote just dropped Scannable, which is free, and is giving me some really nice results too.
Word Lens for iOS does realtime visual translation, which is amazing (even though you have to pay for language packs), Normal tells you what's consuming the most battery life, and Vidgets offers really useful lockscreen widgets for your iPhone.