This image's use in PokerStars satisfies WP:NFCC for the following reasons:
There is no free equivalent to this image, since any image of the PokerStars interface would fall under the same non-free copyright as the software. Also, PokerStars has not released any such images into the public domain or under a free license.
This image respects commercial opportunities and does not substitute for the actual game software in any relevant market.
This is the only interface image used in PokerStars. It is medium resolution, which is the lowest possible resolution that would enable the interface elements to be legible, essential to satisfying the purpose of use of this image.
This image is a derivative work of the published PokerStars client software.
This image meets Wikipedia's content guidelines and adds to the encyclopedic value of PokerStars.
This image satisfies Wikipedia's image policy.
This image is used in at least one article, namely, PokerStars.
This image greatly improves readers' awareness and understanding of the PokerStars client software. Removal of this image would be detrimental to the readers' understanding of PokerStars.
This image is only used in the article PokerStars, and not in non-article pages.
This page identifies the PokerStars client as the source of the image. This page is tagged with Template:Non-free software screenshot. This image has a detailed rationale for use in PokerStars.
This is a screenshot of copyrighted computer software, and the copyright for its contents is most likely held by the author(s) or the company that created the software. It is believed that the use of a limited number of low-resolution screenshots:
for identification of, and critical commentary on, the software in question,