Only the current version so far — new entries appear as the app ships updates.
オンライン英会話SNS Engly - 英語のアウトプット練 is an education app by Engly, Inc. with 10,000+ downloads (about 31K estimated). +2 installs in the last 7 days. Released Jun 6, 2019. Install growth, rank history, SDKs and ad networks.
From the store listing: “It is an SNS where you can practice output and have group English conversation for free. It has functions to help you learn English, such as translation functions, dictionaries, English grammar guidebooks, and phrasebooks.”