Improve English Speaking — Old versions
CrazyLOKINo older versions available yet. Current release.
What's new in 23.0
CHANGE API
Signing history
Android only installs an update signed by the same key as the version already on your device. This timeline shows every signing key we've seen for Improve English Speaking. One known signing key across every release we hold.
23.0
Current key1 release · Jul 31, 20261aa8 2a42 686f 9f3a…
Certificates on record (1)
Every key we have ever recorded for Improve English Speaking. New builds are compared against this set; a build signed by none of them is what our badge calls a mismatch.
- 1aa8 2a42 686f 9f3a…Recorded the first time we scanned this package · Jul 31, 2026CN=Android, O=Google Inc.