Quark app According to the query of Quark app, Quark app has music warm-up exercises assisted by social sports walking in Henan Province, so it can be downloaded from Quark app. Henan Province, referred to as "Yu" for short, is the provincial administrative region of People's Republic of China (PRC) (China), with Zhengzhou as its capital. It is a major agricultural producing area, an important province with mineral resources, a large population, an important comprehensive transportation hub, a center for people flow, logistics and information flow, a major agricultural province and a major grain conversion and processing province.