After Downloading the suggested apps to your phone, you open Picsart, this the main app wherer you will be editing your photos on, there are many other photo editing apps out there two ,but I like to suggest this one since its the most used. At first you should play around with the features in order to get a taste of how the app works. After that I'll explain what the other two apps are for. So, I'm pretty sure you're familer with photoshop, you pretty much can editing things out of your photo with photoshop or fix thing sin your photo. Now onto black eraser, it is pretty much an eraser app that makes the selected thing you erase a png.(Transparent background) You can used this app depending on what you edt ing your photo on, this app pretty much is useed to mask things from photos. To me I think photo editing is the easiest since you're mainly adding effects to videos. You can spot photo edits every, like for example; Tumblr, Twitter, Instagram ect...