Helllo!
I opened Android Supernotes app in a long time.
And the login screen shown up, and the login did not work.
After few minutes, I realized that the app version was 2.1.2.
On recent Android devices, OS automatically disables not-recently-used apps and those apps are not included in Google Play auto update list because they are disabled, and my phone also was like so.
It seems good if app notifies user for new app version if current version is not compatible with current API.
thanks!