考虑到移动设计Flask应用程序？

I'm reading about Flask. Given its tight integration with Jinja2 and WTF-forms, what happens when I start writing a native mobile version of my website? I usually write a bunch of backend API that work independent of the frontend and then code up the frontend using JS. This way, if I have to implement a native mobile app, I can seemlessly use the backend APIs. With Flask's (or some other framework's) tight integration with template engines, how should I design my application?I'm reading about Flask. Given its tight integr