OS: Android 4.0 or up
PushBullet is an application which works like a super fast personal assistant. You can instantly push files, links, notes, lists, reminders, addresses, and more into the notification tray of your phone where you can then open it with one click. It helps reducing the time spent for searching and waiting for your file to open. Its really fast.
Another great use is quick to-do lists. You can just type up the list on either PushBullet.com or in the Chrome extension and push it right to your phone. It will instantly gets in your notifications and if you click on it, it takes you to a checklist where you can check things off as you finish them.
It works really good and worth trying.
Download link for Android: https://play.google.com/store/apps/details?id=com.pushbullet.android&hl=en