Develope three page basic app on appery.io (school project)

the app is through [login to view URL] (no extra design needed same appery background i just need it to be functional ) only it will be three screen first is login and registration second is flowers and wrapping i will send email have picture ,pricing and names of the flowers the buyer will choose how many and what wrapping last one have details with final price and full up address with a note that payment on delivery