If Shopify's Themes Team approves your theme designs for further development, then you can follow our requirements checklists while building your theme. We have checklists for your theme's code, content, and demo store requirements:

• Liquid file checklist
• Content checklist
• Demo store checklist
• Browser support checklist
• Internationalization requirements
• UX and Design Rubric
  

For more information about how to sell themes on Shopify's Theme Store, see our submission and approval guidelines.