Properties:
+ Different lock types: PIN code, pattern, fingerprint lock
+ Keyboard mixes when entering the pin
+ Lock all apps with a text message
+ Timeout on locking
+ Lock Google Play to prevent buying games
+ Fingerprint support
+ Material design
+ Low battery and storage requirements
Required Android Versions : Ice Cream Sandwich [4.0.3–4.0.4] - Jelly Bean [4.1–4.3.1] - KitKat [4.4–4.4.4] - Lollipop [5.0–5.0.2] - Marshmallow [6.0 - 6.0.1] - Nougat [7.0 – 7.1.1] - Oreo [8.0-8.1]