What APP can I use to quickly find a Hangzhou B&B suitable for children?

My commonly used APP is relatively small. It's called Muniao B&B APP. I used this APP when I went to Hangzhou last time, and I booked it quickly, because if you take children to play, you can completely screen the conditions. In this way, basically there are rooms that can take children, so it will be more convenient to choose rooms. Besides, you can also screen some rooms by screening a few people. In short, it will be quick to clarify your conditions first.