Is the app on Hangzhou 19 useful in other places?

It's useless. According to the official website query of the app on Hangzhou 19 floor, the app on Hangzhou 19 floor needs to be located, and it can't be used unless it is on Hangzhou 19 floor. The app on the 0/9 floor of Hangzhou/Kloc is useless in other places. Hangzhou, nicknamed Hangzhou or Lin 'an for short, is a prefecture-level city under the jurisdiction of People's Republic of China (PRC) and the capital of Zhejiang Province. It is located in the northwest of Zhejiang Province, bordering Hangzhou Bay in the east and Shaoxing, Jinhua and Quzhou in the south.