As on the first release, the app is covering the following topics:
NEET(National Eligibility cum Entrance Test),
JEE (Joint Entrance Examination),
KCET (Karnataka Common Entrance Test),
MHTCET (Maharashtra Health and Technical Common Entrance Test),
GUJCET (Gujarat Common Entrance Test),
SSC (Staff Selection Commission Exams),
Bank Exams (Exams conducted by the IBPS and public sector banks),
GK & CA (Exams conducted by the UPSC & the IBPS), and
Exams conducted by the National Recruitment Agency (NRA)

You can access the topics picker from the side menu. The topics can not be changed when you have a mock test session in progress.

Questionbang app topics