The watch app remote has disappeared in the latest update! 
There has been an issue for a while, where the ‘finish’ button on the watch remote app doesn’t work, but now the app is no longer available on the watch store.
Please fix!
Freeletics decided to fix all the Watch app issues by simply discontinuing the Watch app 
see here Removal of the Remote Apple Watch experimental app - #23 by ChrisP
Also interesting to like this post asking for the app back: Restore the App for AppleWatch