Today in the feed on the Android Stack Exchange app there is a Stack Overflow blog post. This post had the site icon next to it for Tridion rather than the proper site logo (Meta).
Stack Exchange Android App Version 1.0.73 and 1.0.74
Android 5.1 on a Moto X (2013) running stock firmware.
Same behavior on a Nexus 7 (flo) running Android 6.0 (stock).
This issue also happens on the iOS app.
The most recent featured SO blog post (as of 17 Nov) is showing up with the "edX" site logo. The logo is seemingly randomly incorrect.