Collection Calendar is a free Android application developed by PlaySafeGames that helps you manage your garbage collection schedule. The app allows you to set weekly shifts and will send you notifications on the designated days for garbage collection. This ensures that you never forget to take out your garbage on the right day.

The app is easy to use and straightforward. Once you have set up your weekly shifts, you can forget about it and rely on the app to remind you when it's time to take out the garbage. The notifications are clear and concise, making it easy to know what type of waste needs to be collected on each day.