Toaster is a free utility and tool application for Android devices developed by MARS3142. This app records every toast message received on the device, along with the sender package. It is especially helpful when you receive messages and are unsure which app sent them.

To use Toaster, you need to activate it as an accessibility service. Once activated, the app will automatically start recording every toast message that appears on your device. With Toaster, you can keep track of all toast messages, even those that you might have missed.

Overall, Toaster is a useful app for those who want to keep track of their toast messages and their senders. If you're interested in being a beta tester for new features, you can join the developer's Google+ community.