SingKey Google Mobile Ads / UMP linking exception

Additional permission under GNU GPL version 3 section 7
Copyright (c) 2026 BathTime Studio

For the SingKey code whose copyright is held by BathTime Studio (including
the SingKey PitchDSP adapter), the copyright holder grants permission to
combine that code with the Google Mobile Ads SDK and Google User Messaging
Platform SDK, and to convey the resulting combination under the GNU General
Public License version 3 or later for the SingKey portions and the respective
Google SDK terms for those SDKs. Corresponding Source for the SingKey portions
must continue to be provided as required by the GPL.

This additional permission does not apply to third-party code or grant any
rights in Google SDKs, YouTube, other services, or third-party content. Their
licenses and terms remain applicable. It does not change any license already
granted for earlier versions. Recipients may remove this additional permission
as permitted by section 7 of the GPL.
