If you're looking to build a Shopify app that interacts directly with users on your product detail pages, you're exploring a great way to enhance the shopping experience. For Shopify store owners who are interested in a fully customized mobile app solution to provide even deeper interaction with customers on product pages, this resource might be valuable: https://mobisoftinfotech.com/services/shopify/custom-mobile-app. Hopefully, this helps point you in the right direction!