How do I transfer data to another device?

I've changed my device to a new one and lost my game data. How do I recover my old game data?

How do I cancel synced data?

Can I play with the same data after changing devices?

How do I change the language setting?

Can I transfer data between the Japanese version and other language versions?

I have EX Training items, but I can't use EX Training. What should I do?

In Use is displayed and I can't Sell or use as enhancement material.

How do I perform a Limit Release?

Can I transfer data to a different OS?

I lost connection and lost the game.

The paid Items that I purchased aren't reflected in the game. What should I do?

What is Google Mobile Services (GMS)? Which devices have Google Mobile Services (GMS)?

How do I make Hidden Skill (Bond) work?

Players who can use Hidden Ability Evolution aren't displayed. What should I do?

The game won't start. What should I do?

I purchased a pack, but didn't receive Transfer Tickets. What should I do?

How do I unlock Skill Field Hexes?

How do I purchase items?

Can I join a different Academy or re-join an Academy once I have left?