If you are a registered developer you could try to inquire for a free trial license for tester. It's not mentioned on the English Nintendo site, but in Japanese on the Intelligent Systems website. I think it should also be possible to receive a license file for offline activation upon special request.I have the 3 perm licenses but I would really be interested in permanently unlocking the tester features. I wonder if anyone has done this privately? I know of a program made to unlock video features on IS-NITRO-EMULATORs but these snake boxes are still much more rare in the wild than the nitro stuff so I doubt many people who would make such a program are able to find one for an affordable price