For checking your android security a very useful app is launch named VTS androidFirst of all go to play store and search for vts android
Then open it and install it in your android device
When you installed it run this app It will show you its first screen, then click on bottom right side scan button for start scanning.
When you tap on scan buttton the scanning is get started and appear a DEVICE VULNERABILITY CHECKER
After DEVICE VULNERABILITY CHECKER it will show you the result.
