RT @http://n2.nabble.com/Not-getting-hildon-theme-for-Armel-terget-and-unable-to-build-for-Armel-terget-td2953653.html

please use the x86 target to test your applications and the armel target only
for cross compiling. starting the window from the armel target will fail. For
further information please have a look at the release notes 1.

And the mmap issue is handled here now 2 I guess ;)