FiiNote is the most convenient note app for android.
It is designed for both Phone and Tablet.

Feature list:
1 Unique hybrid model for combined handwriting and keyboard.
2 Textpaintvoicephotovideo...Note everything.
3 Calenderalarmtodo...Getting things done.
4 Infinite canvas text box DIY templates real pen style...Too many incredible functions inside.
5 Organized by books tags bookmarks calendar. Archive and trash box are also supported.
6 Less permission is required.


You can use FiiNote offline or link it to the cloud and synchronize data with your computer. FiiNote for Windows is ready now!
https://www.fiinote.com


New feature:

Make note without unlocking
menu - settings - show notification

Related: Show notification on the locked screen
https://support.google.com/nexus/answer/6111294