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https://answers.unity.com/questions/595559/are-there-any-reasons-why-i-should-use-a-scriptabl.html
Yes its possible ,i think the best place to start is to start by integrating a small iPhone app with the watchkit extension , to get a basic idea...
@metalchouchen you cant do that right now as clearly mentioned by ostwind. If you want to create games i would suggest you to look at Xcode Sprite...
This video has some straight forward explanations.... [MEDIA] I havent tried using plugins to communicate them (kind of stuck there as i am...
[MEDIA] And i think using Unity 5 , Xcode 6.2 is the best way to implement them. Using Xcode App groups and creating plugin to communicate...
I followed these steps using Unity 5 , Xcode 6.2 and simulator build , its working fine.....
Dont know if this helps , But found this on the internet https://github.com/CoconutIslandStudio/UniWatch
I think u can use PhotonPlayer.Find(ownerId) as target in RPC..