Memo Stick for Windows 8 is a Office Tools software developed by PlaceChallenge. After our trial and test, the software is proved to be official, secure and free. Here is the official description for Memo Stick for Windows 8:

Marydown Editor: MemoStick offers you an easy way to keep all your notes in one place. Application gives you opportunity to place the notes on the Start Screen. Make an idea, run the application and organize it in MemoStick whenever you need.