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 SpeakNova AI: English Speaking. One known signing key across every release we hold.
1.0.14
Current key1 release · Aug 12, 2026Every key we have ever recorded for SpeakNova AI: English Speaking. New builds are compared against this set; a build signed by none of them is what our badge calls a mismatch.
Kaleela - Learn Arabic
Reach Publishers · Education
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