I shall bought a new phone tomorrow. Do I get in new phone previews all lessons and everything until.

yes or no

I don't know, but You can ask the owners of this application via email and they answer directly.

Yes! Surely you'll get your previous account in your new mobile.

probably Not here, They don't response to individual questions. all queries are answered by hello english users themselves. Why not you google it one time... you may get that.