You can contact the Spyn Doctor via e-mail:
 
info@spyn-doctor.de

As "Spyn Doctor", I am quite active in the Microsoft App Hub Forums.
Our you can try contacting me on Xbox LIVE by sending a message to my gamertag "Spyn Doctor".

For questions or suggestions regarding the Xbox 360 version of Your Doodles Are Bugged!,
try the official Your Doodles Are Bugged! Forum.

For questions or suggestions regarding Kuchibi, try the official Kuchibi Forum.

For questions or suggestions regarding Golden Tangram, try the official Golden Tangram Forum.