After purchase you get a League of Legends account with 40-60 level. The data is given from the account Riot Games + data from the mail, which is tied to it. All accounts are not tied to the phone. You will be able to link your mail + your phone. You are allowed to change the account data and its settings.
For positive feedback after purchase you are guaranteed to receive a gift:
League of Legends account (Access to mail is not guaranteed) [1 - 1000 level] absolutely free. To do this, leave a