I was wondering too when I downloaded this great app : Cyber fm.
It's an amazing app which lets you add cool stickers to your pics, it even lets you to mask your pic! Amazing isn't it? I tried my hand out at this app and look what I made.
Isn't this so cool? APP REVIEW
An app which makes your photos turn into an awesome mess, Cyber FM has everything except a good layout. It could use some more creativity in that. It can be downloaded on Apple Devices but I doubt the same on Android.
STEPS
1. When you open the app, click on the start button which would lead you to a screen like this one. Click the button circled and choose the background you want.
2. After that, click on the smiley button so that you could add the stickers the app provides when offline.
4. Afterwards, click the picture plus button to get more stickers.
5. Click Cyber Fm , it will lead you to the site of this app, which has 100000s of stickers for you to use.