Doraemon cooperates with mixi's popular mobile game Monster Strike

Japanese national manga/anime Doraemon shows a movie every year, and cooperate with mobile app or game. The partner of their this year is mixi's popular mobile game Monster Strike. Now, Monster Strike Jp ver. is full of Doraemon.

A start screen and the loading screen are Doraemon...

And Doraemon and Nobita comes up in a game as playable characters. The charges are not necessary to get them. We can get Nobita by posting tie-up information to Twitter and Facebook. On the other hand, Doraemon appears on free gacha and limited stages.

They are very cute! but they transform themselves into a hero mode when we strengthen them.

Furthermore, mixi broadcasts new TV CM of Doraemon ver. with this tie-up.