I decided to create a mobile bank, what would you advise? What devices should be distributed?

Question

Mobile development

I know C++ and Python languages, I easily learn new things, what do I need to learn to create an application and how long will it take?

Answer 1

For a successful application of this class, you need to work on connections in banks and retail, on promotion, design and customer development, you simply will not have time for programming.

Answer 2

If there is no team, then score.