Marketing a business development is 50% of the work so you are already in a good position. In regards to the actual coding and building of your game, you can approach it in many different ways. It is going to be very difficult to actually attract any investment without some kind of working prototype or minimum viable product unless it is a entirely unique concept never seen before or a new play on existing concepts.
Getting your product on the app stores is the very last thing on the list of things to do but should be factored in during the development process. You will have no problem getting the game onto the Android app store but the process for the Apple app store is a whole different ball game and you will want to make sure that the application is inline with their strict approval and quality control criteria.
which allows visual scripting. With visual scripting you can rapidly prototype games without any actual coding, however you will still need to learn some animation and the workflow of building 3d games and worlds.
If your game is not 3d you could use rapid game development tools that require absolutely no coding skills at all, like:
. As far as the steps to actually building and launching your game, there are no clear cut rules to follow and it depends entirely on what exactly your building. Here are some resources to look into: