3 Screen very basic swift concept app

Hello, me create this basic concept app.

App -
screeen 1 - categories of stickers (lets say animal i pick)
screen 2 - categories inside sticker ( show all animal images) - png / gif
screen 3 - let say i pick one animal. it shows in larger size with copy button - copy image to where i can past.

looking forward to done asap!
Have attach the screen down.

thanks