https://lists.launchpad.net/ubuntu-phone/msg02982.html
mmm ubuntu/hybris/compat/surface_flinger/ copy out/target/product/generic/system/bin/direct_sf_test to the android side, you should see a rotating cube. On the ubuntu side look at libhybris-test
d:\linux\ubuntu\touch\libhybris\libhybris_0.1.0+git20130606+c5d897a.orig.tar.gz
\\192.168.1.101\1\touch\export\phablet-ubuntu-20130618\ubuntu\hybris\libhybris\libhybris\compat\surface_flinger\