Do you like the app "Memory Stamps"? By buying PRO version you will support its further development.
Plus you get: - the ability to add and edit date of obtaining for the item, - the ability to add and edit text note for the item, - backup collection and straights on Google Drive, - sorting items by date of obtaining, - simple statistics of collected items by year, - notifications on items nearby, - "Maecenas" achievement.
WARNING! This application unlocks some features of "Memory Stamps" only. For proper functioning it needs to install the application "Memory Stamps" too.