edit: I am pleased to announce that it is now live on Google Play. Thanks everyone who tested. Download at https://play.google.com/store/apps/details?id=org.codedivine.rgbench
The current tests for FP performance benchmarking on Android (such as Linpack for Android) are IMO not very accurate. Many such tests are written using Java, and are not properly tuned to use the hardware.
Thus, I have implemented my own small benchmark. I have tested it on a Snapdragon S3 based device already, and need testers for other systems. Currently, the test is in early stages and I am still experimenting. It is currently single-threaded but will be adding multi-threaded modes, as well as more comprehensive tests.
If you are interested, let me know and I will provide you with a self-signed APK. It will run on any device running ICS or higher. If you are worried about security of a non-market APK, note that the APK does not need internet access or SD card access. In fact, it does not ask for any special permissions at all. All you get is an application that has a "Run" button. You run it, and shows the result on screen.