I blogged about PairPrep a couple of years ago, and it was then sort of a learning game site.
They seem to have “pivoted” to become an easy tool for teachers to digitize their student hand-outs and worksheets to make them interactive (maybe similar to Wizer).
No, I’m not a big fan or regular user of “worksheets” but, like many things, I think they can have a useful place in the classroom, but also have to be “kept in their place.”
It seems to me that PairPrep could come in handy.
Here’s a video about it: