√Letter Smartphone Edition
√Letter ルートレタースマートフォン EDITION
| Relation | √Letter | ||
| Title |
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| Publication | Non-free | ||
| Platforms | Android Apple iProduct | ||
| Medium | Internet download | ||
| Released | 2017-08-25 | ||
| Age rating | 12+ | ||
| Developer | Kadokawa Games | ||
| Publisher | Kadokawa Games | ||
| Links | Official website |