Trainz Simulator3 ??

Hi i have a question

when came the new Trainz Simulator 3 from the Ipad ???

It may not be released on iPads because you have to optimise it for that device since it's running iPadOS and not iOS.

Not the correct forum, but when released, TS3 will run on iphone and ipad (along with a range of Android devices).
We're still updating the app and content to ensure this release is the best ever train game on mobile!
A release date is not yet announced.