EnhancedToast 3.9.2 [free]

You could configure which apps are allowed to show toast notifications. If an app creates a toast it will be collected and added to the list.
You could deny *all* toasts of an app or only *specific* messages.
With a donation you supports this app and get more options.

IMPORTANT
Your device has to be rooted to install the required X-posed framework: http://tinyurl.com/cd46qco

Donator-App & Features: https://play.google.com/store/apps/details?id=de.defim.apk.enhancedtoast.donator

• 10/27/2017: EnhancedToast 3.9.2
• 07/22/2017: EnhancedToast 2.5.3
• 01/05/2017: EnhancedToast 3.8.3
• 04/24/2016: EnhancedToast 3.7.3
• 11/25/2015: EnhancedToast 3.7.0
• 07/08/2015: EnhancedToast 3.5.3
• 05/05/2015: EnhancedToast 3.1.7
• 04/26/2015: EnhancedToast 3.1.6
• Report a new version