Android ADB over TCP/IP can be a bit of a pain to setup. Some devices have a built-in option to enable this (by default on port 5555), otherwise you have to connect through USB first, then use ADB to enable TCP/IP:
I got it to work without being root, but on some devices you need to be.
See these links for more information:
- How to Debug Your Android App over WiFi (without Root!).
- Adb over TCP/IP | Takeshi Kanemoto’s Blog.
- networking – How can I connect to Android with ADB over TCP? – Stack Overflow.
Note that while writing this, ADB For Chrome could not run over TCP/IP.