Useful thread on gog to use dosbox with windows 8 touchscreen :
http://www.gog.com/forum/general/dosbox_and_w … hscreen_tablets

Links in the thread :
http://www.youtube.com/watch?v=cqzKe7APHKI
zip and instructions : https://www.dropbox.com/sh/7hdpqzi9qhs15aa/3E7wqVRJ5i

(sorry if already posted in Dosbox forum but I did not find the subject here)