A WebmasterWorld thread reports that when you try to login to Google AdSense using your Android device or an iPhone it rendered the reports all weird. I tried to reproduce this on my side, but I am currently not able to.
What many are reporting is that the report seems to load in an iframe below the login box, after you login. Let me quote one of the reports:
I think I am not having the issue because I am logging in automatically. Google AdSenseAdvisor replied to the thread saying:
We have no ETA for a fix or even a solid confirmation what type of bug this is.
Forum discussion at WebmasterWorld.