actualy in the japanese version sam already can rb,so in chinese all the pets can rb i think soo in v 7:the rest pet rb(or not all...if igg plan to relase more then 1 more verion,some manufacturing and who know maybe they start using ther heads[sr igg] and make something original like new pet for example in nso chinese are many pets while in the jap is still v 1 but they have 2 original pets a electro girl and a devil boy)