We started years ago with the same idea but as mobile game app. And our product is more advanced - we mix up to 5 elements at a time, generate unique pics for every elements, have elements rarity, achievements and etc

Check it out - AlchemicAI:

https://play.google.com/store/apps/details?id=com.hostelguys...

https://apps.apple.com/us/app/alchemic-ai-infinity-mix/id646...