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!
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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
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Also interesting to like this post asking for the app back: Restore the App for AppleWatch