Menu
Going into the menu during battle does not pause the game so you'll want to familiarize yourself with it before using it in the heat of the battle.
Information Menu

1. Pause
2. Quest - Display the details of the current quest.
3. Battle Training - Display the details of the training.
4. World Map
5. Return to Title
6. Gil
7. Play Time
Items Menu
Items

Weapons

Accessories

Phantoma

Chocobo

Members

System

Communication

Key Configuration

Configuration

Controls
Controls will differ based on where you are in the game.
Exploration

L | Not used | Analog Nub | Move |
R | Reset camera | Analog Nub+× | Dodge |
Directional pad | Control camera | L+R | Not used |
◯ | Talk/Check | R [Hold] | Not used |
△ | Not used | R [Hold] + | Not used |
□ | Not used | ◯+△ | Not used |
× | Not used | □+× | Not used |
Select | Not used | Start | Menu |