There were 20-25 basic questions about Android, Kotlin, Java, Architecture and different popular libraries like Hilt, Retrofit and so on, not very difficult. The interview was in English. Also you should introduce yourself at the beginning and talk about your previous experience.

Contacted by email, and then had a technical interview with two Senior Devs for android. I don't remember a call with HR though! That was totally interesting because I expected a hello, and not technical questions in the beginning..