Welcome To UvAdvice Official Nepali Technical Channel !! In this video i am going to show top and secret android mobile screen lock app in 2019 . this lock app is latest android app and also you can easily photo pattern lock in your mobile screen , i mean that by using this secret android app you can set your photos in your mobile pattern lock , so if all of you are interested to know about this new unique android mobile apps then please watch this video end till….. Please, don’t forget to SUBSCRIBE this Nepali YouTube channel ! SUBSCRIBE Link: https://www.youtube.com/channel/UCrEnfPovKGHUPelnH1XzrkQ?sub_confirmation=1 About Us : This UvAdvice Channel Everyday Uploaded New Tech Video In Nepali Language , and Also UvAdvice YouTube Channel Is A Nepali technical YouTube Channel In Nepal, Thanks for being in this Nepali Tech channel !