I sent an email to Konami to inquire about a release of a US verison of Combat DigiQ. Here is the response:
Currently, Konami has made no announcements regarding the release of a North American version of Combat Digi Q.
For more information on Konami release dates visit:
http://www.konami.com/usa/schedule.shtml
Please contact Customer Service if we can be of any further assistance.
Konami of America, Inc.
1400 Bridge Parkway, Suite 101
Redwood City, California, 94065-1567
USA
Attn: Customer Service
support@konami.com
1-(888)-270-7337