Speed Reading — brain training — Old versions
Green Key UniverseNo older versions available yet. Current release.
What's new in 4.7.13
What’s new: • Added Turkish and Indonesian language support. • Expanded exercise materials. • Improved existing translations. • Fixed minor issues and improved stability.
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 Speed Reading — brain training. One known signing key across every release we hold.
4.7.13
Current key1 release · Aug 12, 20263438 4a57 0ee1 61e5…
Certificates on record (1)
Every key we have ever recorded for Speed Reading — brain training. New builds are compared against this set; a build signed by none of them is what our badge calls a mismatch.
- 3438 4a57 0ee1 61e5…Recorded the first time we scanned this package · Aug 12, 2026CN=Alexander Safonov, O=Alexander Safonov Company