I'm making a tabletop app. What would you change about Board Game Arena or Tabletop Simulator?

I'm building an asynchronous tabletop engine and I'm trying to figure out whether I'm solving a real problem.

The idea came from my own group of friends struggling to find time to play board games together. We no longer live close together, and when we do find the time to hang out online nobody is in the mood to sit through a multi-hour heavy board game on Tabletop Simulator.

My goal is to create something that sits between Board Game Arena and Tabletop Simulator:

• Like Tabletop Simulator, you can import custom assets and play almost any game in a true tabletop sandbox
• Like Board Game Arena, players can take turns asynchronously whenever they have time

So with that in mind, for those of you who play board games remotely:

• What do you currently use?
• If you could change one thing about your app of choice, what would it be?
• How do you feel about asynchronous play? Do you think it'd enable you to play games more often?

I'd love to hear from community members how you currently handle remote gaming, and hopefully get some inspiration for my project.