All guides on Androidgg.com are tested before they are published to make sure they work as intended.
However, you are at your own risk when trying them on your device. The guides/news are provided as is and it is completely your responsibility for what happens to your device when following the steps in Androidgg.com.
I would recommend you try the apps, settings, and/or steps on a spare device before applying them to your Android device. That way, you can be sure that they won’t cause any problems.