Heads up folks, the latest version of Google Play services will be the last one to support Android 2.3 Gingerbread and Android 3.0 Honeycomb devices. Google put the word out in a blog post on Monday, saying that Google Play services 10.0.0 and Firebase 10.0.0 client libraries for Android will be the last versions to support Android API level

Source: Hot Hardware – Google Play Services To Shun Ancient Android 2.3 Gingerbread and 3.0 Honeycomb Devices