Quark app. Querying the Quark App shows that the Quark App has walking-assisted music warm-up exercises for social sports in Henan Province, so the walking-assisted music warm-up exercises for Henan Social Sports can be downloaded from the Quark app. Henan Province, referred to as "Henan", is a provincial-level administrative region in the People's Republic of China, with the provincial capital Zhengzhou. It is the country's main agricultural product-producing area, an important mineral resources province, a large-population province, an important comprehensive transportation hub and a flow of people, logistics, It is an information flow center, a major agricultural province and a major grain conversion and processing province in the country.