port for intel x86 android phones??

[xavier-hallade]

It will work this way, but only if you compile just for x86.
Hence it's better if you put these in the x86 specific part that is already in the Android.mk, like this:
...
ifeq ($(TARGET_ARCH_ABI),x86)
LOCAL_CFLAGS := $(LOCAL_CFLAGS) -mtune=atom -mfpmath=sse -D_M_IX86
ARCH_FILES := \
...