New version to try Demo v0.79, probably does not run, you can however check if assign is working, open Dopus look for "Solitare match:" click into it and check there is Cards folder. if not do assign and test run the game again!
Seems i have understanding what's going on with Snoopy, the problem was not related to Snoopy but the game ...
The output was displayed correctly in Snoopy but the Solitare window somehow freezes the clipboard of OS4 either by trying to save the log from the Snoopy menu or by simply copying and pasting the log manually ...