Support

Support for JK-LAB apps

This page does not use a form or file upload. A support email is sent only when you choose to send it.

Android

Chess Library

Questions about the library, search, game viewer, settings or appearance.

Email about Chess Library → Privacy →

Android

ReplayFM

Email support for questions about stations, live playback, recording, the local archive or Premium.

Manual diagnostics in ReplayFM

In the app: Settings → Help and diagnostics → Send report.

For a technical problem, you can submit the report there yourself. The local event journal requires a separate opt-in and its switch is off by default. Recordings are not attached, and there is no automatic submission.

Do not include passwords or other secrets in the problem description.

Email about ReplayFM → Privacy →

Contact

Support email

support@jk-lab.de

Languages: Support is available in English, German and Russian.

Helpful details

To help us understand the issue, please include where possible:

App name: Chess Library or ReplayFM
App version
Android version
A short description of the issue
The steps immediately before the error
Device model, if you are comfortable sharing it