Here are some images posted on slack of Gravity.
The images are not impressive at all. Not sure about the game play though. But these images don't interest me that much. For all of the delays, I'd expect much better and rich graphics and game levels. This reminds me of Donkey Kong.
They are trying, I'll give them that much. Well, at least it appears something is being produced.
https://imgur.com/a/ONDW6Not sure how to make them visible here. Maybe someone else can?