NoRoot Firewall

It gives you a complete protection for your Android

Screenshots

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Hunter's comment

Hello Hunters,
This is an wonderful app. It solved a long awaited problem of auto installation of malwares. My mobile had a few apps pre-installed by manufacturer which couldn't be uninstalled or disabled. These apps regularly used to download advertisements & malwares. With this app, I managed to block all those bad apps' internet activity and hence the issues are now resolved.

Link

https://play.google.com/store/apps/details?id=app.greyshirts.firewall