I am checking stats for my app on the Android Marketplace (ahem Google Play) and inexplicably the numbers for my app dropped like a rock between the dates of Feb 12 and 14.

I did not release new versions or anything. And nothing like this happened on any of my other apps.
What possible explanation is there for such a drop?
I think the market has changed how it tracks stats for older phones.
I see a similar drop to yours on February 14th. If I break it down by Android version, I see that 2.3.3 and newer versions stay steady while older versions such as 2.1 show the sudden drop. I also see a clear drop for older phones such as the Motorola Droid while newer phones like the Galaxy S2 don’t drop.
