Players Menu (選手メニュー)

The Players Menu (選手メニュー) controls most of the player upgrades and other player-related functions.

How to get here:

On My Page (マイページ), tap the button that says 選手 (4th button across golden row on bottom)

一覧/変換
A way to look at all the players you have available to use, and to convert any of them to Coins (コイン) or Player Experience Points (選手経験値)

特殊能力
Upgrading players Special Skills (特殊能力)

特訓/限界突破
Upgrading your players Special Training Boosts (特訓) Levels / Breakthrough Upgrade (限界突破)

レベルアップ
Leveling up your Player Experience Level (選手レベル) using available Player Experience Points (選手経験値)

選手枠拡張
Expand your available roster

ミキサー
MIxer - exchange A/S rank players for the equivalent rank (3: random, 5: Your Team (自チーム))

覚醒
Awakening Upgrade (覚醒)

スピリッツ解放
Reload an out of date player's spirits

称号
Special Role, a way to boost Basic skills to S-Rank players beyond the Maximum (極).

選手寮
Player Reserve (literally "Dorm") - players you can "store" away but cannot use in Games (試合).