MMGuardian Safe Messaging app gives parents the ability to monitor and block text messages. MMGuardian helps parents to protect their child from cyberbullying, drug abuse, violence, sexting, cyber predators and stay in the know about their phone usage habits. Parents can alos set up comprehensive parental controls and monitoring on their child's Android phone. MMGuardian can also monitor picture messages, soical media messages, apps, contacts among other parental control features.

Note:
The app uses Android AccessibilityService API to implement some of the core features: