Didnt notice that myself on my old phone, but its a little slow to load on the new one. I think is more of a problem with later versions of Android than anything, on the user end at least.
The limit on dialog branches is a different matter and more serious matter though.
I think you are you are using Twine for this? Normally for a (supposedly) open source project I'd suggest doing a bug report or feature request, but the Twine home page makes it remarkably difficult to find out where to do that. Maybe their Discord?