[hello.c]
=======================================================
int main()
{
	printf("hello ARM android!\n");
	return 0;
}
=======================================================

[Android.mk]
=======================================================
LOCAL_PATH := $(call my-dir)

include $(CLEAR_VARS)

LOCAL_MODULE	:= hello
LOCAL_SRC_FILES	:= hello.c

include $(BUILD_EXECUTABLE)
=======================================================