Jewish life in Berlin during the Nazi era played itself out between the poles of persecution and self-assertion.
This smartphone app and the associated web portal points you to places in the city that are important in this connection:
Where did people who understood themselves as Jews from a religious or cultural perspective — or who were defined as Jews within racist Nazi ideology — live and work?
How did those affected assert themselves amidst increasing persecution?
You can find out the answers to these questions here.