Hey gekke. I've been following your thread from the very beginning which was an [R&D] thread. I prefer reading stuff on forums but for this one you and the others deserve more than a thank you! Thank you all guys.This is someting @fattire has been working on, I'm hoping he'll release this soon, it seems to work just fineHis plugin detects when you eject the s-pen and you can then select what you want it to auto start (like your favourite sketch book app for example).
Ah, and for the s-pen detection I use two apps called "cm spen addon " and "note buddy" on play store. With these tools it is easy to edit what's going to happen when you attach or detach, etc. If anyone is waiting for pen detection support, for now you can use these two apps.
Again thank you guys!