E learning platform

I wanna develop an MVP for a new E learning platform, with a strong backend that I won't have to throw away down the road. Initial designs here: [login to view URL] I'd need someone to adjust the designs to the new requirements: [login to view URL] In a nutshell: It's a platform for mentors to mentor a MOOC (massive Open Online Course). So participants enroll to their course, which is comprised of challenges (basically simple videos for now, but would love to understand the cost of embedding a live synchronous session in the MVP (instead of the simple asynchrounous video). They then report back in the group (like presenting their "homework"). The mentor has two unique abilities: to be able to give a feedback reacher that the traditional 'like' and 'comment'. And also a storng dashboard to keep track of everything that happens in the course. We need an ios and android versions. Mentor can use mobile but should have a desktop version for the dashboard down the road.