Pal/World/Israel ... are Nextgen editions, cannot be compared. Here the search is performed at the level of the apk itself.
Nothing prevents you from using a skin for Android Primo, but there is no guarantee that it will solve the problem. It is easily possible that the code layout is too much of an obstacle for the job
That's why a separate application was made just for the Far Eastern market (China/Japan...)
That apk is not available to me nor have I seen it posted somewhere. Nor is it cr*cked

By the way, online features have been discontinued for Android Primo, at the server level.