Notes app

Catch Notes: This is a free note taking app designed to make sure you never miss an idea.  It lets you capture ideas and discoveries across all your devices and all this can be shared with your friends. You can add notes by typing, dictation, copy from the Internet, pictures and more. You decide what folders are private (just for you) or public ( can be accessed by the friends that you invite). You can automatically backup notes for free across all of your mobile devices and on the web and you can protect your notes with a 4 digit passcode. Here's the link. From the phone search for "catch notes" and install.