Give some tips to create an app that has options to get ecommerce selling data like 1) Product Name, 2) Product image, 3) Price etc

[mod edit - you asked around the wrong way...]

https://community.appinventor.mit.edu/t/how-could-you-store-multiple-values-in-tiny-db-like-a-list-and-can-variables-be-used-as-tags/56236/18

hi can you help me to merge this concept with the app that im trying to make. ie, i wish to store new data without loosing old stored data in tinydb.