Amazon Applied Scientist interview questions

Recruiter contacted me for the initial phone screen. Spoke to the recruiter. Recruiter mentioned that the next step would be the technical phone screen and sent me the interview prep guide. Its been two weeks, still haven't heard back from the recruiter yet

standard questions about resume, some behavioral questions and a case study, no tricky questions. Case study is about kindle profit optimization, how to access the effect of e-book on kindle sales