I've been working on an open source Android SDK that supports OpenTelemetry export. I'm excited about this as observability SDKs have traditionally used proprietary schemas that make it hard to export & analyse production data.
Would be great to hear any feedback/comments folks might have!
Here's the Android SDK: https://github.com/embrace-io/embrace-android-sdk
There is also an iOS SDK, but I've been less directly involved in that: https://github.com/embrace-io/embrace-apple-sdk