How to edit KITTOOL THEME template in shopify liquid [closed]

I am using Kittool Theme template for my shopify website (www.mahaastores.com).

I want:

1. Images panel should be similar to Amazon Gallery type
2. Customer Review should appear on the home page
3. Should be accommodate with mobile view
4. Need space for mail address.

Kindly note: I have attached website address for verification