A:Answer Hello Tanny,
Thank you for reaching out and letting us know your inquiry if the Smart Home App turns off the gas stove on this Samsung range. We understand that this information may be essential for you to know. We're here to help.
Per checking, it is the SmartThings app that you can use to turn the gas stove off.
For reference, attached is a link to the user manual containing additional information about the Smart Control. See page 38.
https://downloadcenter.samsung.com/content/UM/202103/20210308173729692/NX58K7850SS_AA_AC_DG68-00787A-08_EN.pdf
For other concerns, do not hesitate to reach out via our Support Channels below:
1. Facebook Messenger: http://m.me/samsungsupport
2. Twitter: https://twitter.com/messages/compose?recipient_id=18768513
3. Samsung Community: https://us.commuity.samsung.com/t5/Samsung-Community/ct-p/us
Thank you, and stay safe!
Your Reference Ticket Number: 1144271455
-Angelica