A 4-hour interview with 4 different employees. They ask tough, tricky questions. Thankfully, they will also explain somewhat the answers they were looking for.

Design frameworks will definitely come up. Luckily, they aren't good at coordinating who asks what and seem to be working off the same guidelines.

Questions asked by your first interviewer may very well be asked by your second, so keep that to yourself and take good mental notes. It's not cheating because they might actually be trying to see how well you learn; I wasn't sure.

They asked questions about design templates/frameworks/paradigms (I am having trouble remembering what it is called).

They asked a couple "write an algorithm that..." questions. I think they were about memory (or involved arrays?).