Me and my friends have beta for Android and we cant download each others plane to build off of them

So fix it

https://www.google.com/search?q=just+do+it&client=tablet-android-verizon&prmd=ivan&source=lnms&tbm=isch&sa=X&ved=0ahUKEwiPrIHJlrrMAhUFuoMKHQwyD-IQAUIBygB&biw=962&bih=601#imgrc=9p418nj1v_dfM%3A