Design an iOS App Mockup for T-shirt Design (like YoShirt, CREATEE, snapmade)

1. easy to register: user can easily register by phone, email, and login from the social media account such as fb, twitter. 2. easy to use: user can easily design t-shirt with their own photos and texts; arrange the photo or text positions; adjust the size, font, color of photo or text; rotate the photo or text; adjust the color by using the filters; 3. easy to purchase: user can easily order with credit card, stripe, paypal or apple pay 4. easy to save: user can easily save and retrieve their designs, and look through the "popular" designs 5. easy to review: user can easily search and review the designs by popularity, name, category etc 6. easy to share: user can easily share their designs with others, and user can also share it to the social media: fb, twitter, instagram, pinterest etc.