I need to an Android and Ios App with python in background

app will have following requirements: build using api using nse tool etc types of libraries 4 types of stocks will be listed nifti nifti id bank nifti onclick any of these will list two options 1. future 2. option onclick of future : per month data will be listed, data up to 3 months will be listed, list should be month wise onclick of option: per week data will be listed, up to 3 months data will be there, list them month wise App can be built in any platform backend must flow through python code , app will be used only for the display purpose or passing of variables to the api or python code provide your previous work in description and your approach of doing this project