Why does powerapps allow you to create multiple forms when in reality you can only use one? For example in the app designer > Forms > Main forms you can select which form you want. Except that function doesn't work. The only form that will ever show is the one that is assigned as the default form in the form settings.
Why even give the option if you are forced to use the default form anyway? Same goes for creating new data. Why can't I choose which form I want to use for that? Due to the very poorly designed way model driven apps allow you (or rather don't allow you) to display data, being able to use essentially only one form for everything makes it very difficult to create a sensible layout for users.
The longer I work with powerapps the more I find this product is extremely poorly designed. Everything takes forever to load, the UI/UX is rubbish and functionality wise everything is a work-around because even the most basic things aren't possible and you always end up having to settle for something that kind of works but isn't very nice to use.