Is Penguin Exchange app a scam?

It's not a scam. Penguin Huitu app is registered in Shenzhen Municipal Market Management and Supervision Administration, and has professional certification from state organs. It is a regular company and its business scope is within the scope permitted by law. Penguin Map is a crowdsourcing application launched by Tencent Map, which can do tasks, get rewards and better perceive the detailed changes of urban development.