Round-1 (Android) :
Q1 - Difference between MVP and MVVM
Q2 - Activity lifecycle, fragment lifecycle
Q3 - Handling of push notifications
Q4 - Recyclerview, how it works internally, use of viewholder
Round-2 (Assignment) :
Android assignment in which you've to fetch response from server and update the ui. MVVM architecture was mandatory.
Round-3 (Discussion with CTO) :
Q1- Discussion on Projects
Q2- Create your own Gson library and then parse sample json. Code should execute without any error.