Galaxy A9 Pro (2018) set to include Bixby button; two gradient options coming - PhoneArena
Ben Geskin on Twitter: "Samsung Galaxy S8 (2017) with "Infinity" Display, Bixby button and fingerprint scanner on the back. Coming March 29th. #GalaxyS8 https://t.co/7aYgNkqkHr" / Twitter
Galaxy S9 June update also gets built-in QR code scanner - Android Community
How to scan QR codes and barcodes on iPhone and Android - PhoneArena