What's new new in Japanese cellphones? I've heard about TV, credit card payment and barcode (or is that just QR code?) scanners for a couple years. Biometric

What's new new in Japanese cellphones? I've heard about TV, credit card payment and barcode (or is that just QR code?) scanners for a couple years. Biometric unlocking is pretty cool, but a little gimmicky. What's killer in new Japanese phones?