There are a lot of apps available on play store which pays you for watching ads while unlock your lockscreen. One of them and very popular one is Silde app.
The concept is good but the implimantion is being very sloppy. The older version of slide was much better but in the new version they give only 1 paisa for watching 2-3 ad screen so that’s why it makes your phone very slow.
Even the ad takes a lot of time to show up on the lockscreen. There are a lot of apps available beside slide which offer better reward in lesser time.
I suggest you guys not to install this app , if you don’t wanna make your phone slow.