Sticky Notes is the floating application and ultimate application to create sticky notes and reminders on your Android device.
Sticky note is floating on top of all other apps! Easily dock them to the left side to keep your screen real-estate at full potential. Useful for quick note taking. Closing a note will delete its text. All stickies are auto-saved!
Note for normal version
With android 6.0 up (Android M up) please enable permission write to SD card to save sticky note.
Bellow is step.
Settings -> application manager -> Sticky notes
Permission -> Turn on Storage.