tiktok

I'm making a fake bank app for a trend on tiktok that uses fake dabloons to buy stuff for fun I need help to make a balance working, buy working, and make a inventory to see what you bought

Their is a reason why im asking my wonderful app developers who are very skilled when it comes to building android apps, this question involves a app called "Phlokk" ill be posting about it later but the major question is: In what time frame it takes to typically build a fully working...