Features I'm looking at:

Mail notification system for new updates (with platform preferences)
Status: Working
Todo: Some form to subscribe / unsubscribe

Cats database (including new cats)
Status: Work in progress
Todo: Play with the APK to find hidden data about cats

Save editor and save edition howto
Status: Work in progress
Todo: some testing

Game mod:
Status: reading some docs
Todo: not started yet

Merchandise list:
Status: gahtering...
Todo: in progress