We can install Good lock on M30s.

[Ashish_Chauhan_24]

Here is link to download it-

https://play.google.com/store/apps/details?id=com.sonjoon.goodlock

[Ehsank]

not all feathers will work by any apps or apk. except 1-2 features

[Ehsank]

by the way this is only lock screen style

[Ashish_Chauhan_24]

yes you are right

[Anonymous]

only 2 or 3 will work