Checkout is dedicated payment app only for Samsung’s own mobile app which is also offering at Samsung Smart TV.

Whenever! wherever! Easy pay on mobile!
Users who registered card information in Samsung Account can use without card registration. In addition, you don’t need to register card information on TV again if you already registered your card information on mobile.

With an extra layer of security, each transaction with Samsung Checkout is covered by authentication via pin number. Your card information is encrypted in a separate and secure data vault.

Available on Android version : Over 5.0 Version
Learn more: www.samsungcheckout.com

From version Samsung Checkout 1.0.12:

End of Service Announcement for Samsung Checkout app (Dec. 16, 2020)

All versions
Samsung Checkout 1.0.12
November 16, 2020

Version:1.0.12

Uploaded:November 16, 2020 at 3:28AM UTC

File size:3.55 MB

Downloads:510

Samsung Checkout 1.0.11
April 9, 2019

Version:1.0.11

Uploaded:April 9, 2019 at 12:31AM UTC

File size:3.71 MB

Downloads:1,012

Samsung Checkout 1.0.8
October 30, 2018

Version:1.0.8

Uploaded:October 30, 2018 at 5:39PM UTC

File size:5.24 MB

Downloads:1,381

Samsung Checkout 1.0.6
October 24, 2018

Version:1.0.6

Uploaded:October 24, 2018 at 11:38AM UTC

File size:5.24 MB

Downloads:1,202