Yes, same with my NDK based apps though in my case I have only compiled for x86 and ARMv7-A. About MIPS, is there any MIPS based hardware with Play store access out there that we need to worry about?
Btw you may want to know that there is a bug in 4.0.3 that sometimes loads armeabi code instead of armv7-a code on some ARMv7 systems like HTC One S.