Too bad the Blindfold games pretty much force you to do in-app purchases just to be able to enjoy them. But, sure, I suppose if you don't mind getting ripped off, and you and a group of friends get together and pass a phone around, it could work.
The only good thing that came out of reading that solution was that I was strongly reminded of when I first started playing audio games in the 90's. I played most of Jim Kitchen's games when they were still DOS-based, and I remember how excited my 10 or 11-year-old self was when I realized that the text was also on the screen, so my friends or family could play too.
The glass is neither half empty nor half full. It's just holding half the amount it can potentially hold.