Update: We now have confirmation that Samurai Defender: Ninja Warfare will be released on June 7 for $7.99 / €7.99 with regional variations. Pre-orders open on May 31 and will have a 10% discount. Original: Flyhigh Works has announced that the action title Samurai Defender will be available on the Japanese eShop week. It’s lined up for June 7, priced...