olemus
ISO/IEC 22123-1:
operatsioonisüsteem ja kaasnevad eriomadused, mis annavad seadmele ta kesksed võimed; rakenduste turg on seadme platvormile eriomane
= operating system and related feature set that provides the core capabilities for a device
Note. An application marketplace is specific to a device platform.

ülevaateid
https://www.computerhope.com/jargon/p/platform.htm
https://en.wikipedia.org/wiki/List_of_mobile_app_distribution_platforms
https://www.calsoftinc.com/blogs/types-of-iot-device-platforms.html