Use APKPure App
Get [Old] Riot.im old version APK for Android
이 버전은 Google Play 스토어의 새 버전으로 대체되었습니다.
This version of Riot has been replaced by a new release on the Google Play Store as a safety measure.
Please export your encryption keys, uninstall this app, and install the new version. See https://riot.im/reinstall for more details.