i am running iOS 11.0.3, Watch OS4, and RWGPS 1.7.6 (Apple Watch Series 2)
In the iPhone Watch app, the RWGPS app is listed as available to install, however the install never completes properly. The RWGPS app icon shows on the watch, but will not open.
Numerous install, uninstall, rebooting - no help.
Other watch apps installing just fine, so I don’t think it is a problem with the watch.