Czech - Russian
v9.2 · 16.7 MB · code 56
Verify you're human
Solve this to start the download.
File information
UpdatedMar 30, 2026
PublishedMay 24, 2021
Packagecom.eflasoft.cesrusfree
Versionv9.2 (56)
Size16.7 MB
MD52ff439689aa20c8aef8f0c78a037ae42
Min SDK23
ABIsx86, x86-64, armeabi-v7a, arm64-v8a
Malware scanTRUSTED
Signature SHA1FC:38:55:E3:C3:7F:DC:7C:51:F4:71:18:86:55:09:15:83:48:9E:1F
SignerCN=omer ustuntas
Total downloads10,000
This version10,000
Developereflasoft
Age ratingLow Maturity
What's new in v9.2
- Database updated.
- Default vocabulary list updated. (Deleting data and reinstalling is required to load the updated vocabulary.)
- Lessons updated. (Since it has been completely renewed, your old records will be deleted on the first startup.)
- Language switching has been removed from the settings page. You can only select it on the first setup.
- Interface improvements have been made.
- Some minor bugs have been fixed.
- Default vocabulary list updated. (Deleting data and reinstalling is required to load the updated vocabulary.)
- Lessons updated. (Since it has been completely renewed, your old records will be deleted on the first startup.)
- Language switching has been removed from the settings page. You can only select it on the first setup.
- Interface improvements have been made.
- Some minor bugs have been fixed.
Security scan
TRUSTED
- Developer signature verified 2026-03-30
- Signature SHA1 FC:38:55:E3:C3:7F:DC:7C:51:F4:71:18:86:55:09:15:83:48:9E:1F
- File MD5 2ff439689aa20c8aef8f0c78a037ae42
How to install Czech - Russian v9.2 on Android 6.0 Marshmallow+
Takes about 2 minutes. You'll need roughly 16.7 MB of free storage.
- Grab com.eflasoft.cesrusfree_56.apk — hit the Download button above (16.7 MB). If your browser warns about APK files, choose Keep or Download anyway — that warning fires on every APK, not just this one.
- Trust your browser to install — on Android 8+ go to Settings → Apps → Special access → Install unknown apps, pick the app you downloaded with (Chrome, Firefox, Files, etc.), and flip Allow from this source. On older Android, toggle Unknown sources under Security.
- (Optional) Verify the file — compute the MD5 of the downloaded APK and make sure it matches 2ff439689aa20c8a…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find com.eflasoft.cesrusfree_56.apk in your Files app under Downloads, then tap it. Android's package installer will appear.
- Check the signer — the install screen will name the publisher. For this build it should read CN=omer ustuntas. If it doesn't match, cancel — you have the wrong file.
- Review permissions & tap Install — scroll the permission list, then confirm. If Play Protect flags it, tap Install anyway (this APK was scanned as TRUSTED).
- Done — open Czech - Russian — tap Open on the install screen, or find the Czech - Russian icon in your app drawer (this build targets x86/x86-64/armeabi-v7a/arm64-v8a devices).
Common install errors for Czech - Russian
- "App not installed" — usually means an older or differently-signed version is already on your device. Uninstall it first, then retry. Your data may be lost unless you back it up.
- "Parse error" — the APK is for a newer Android than yours. This version needs Android 6.0 Marshmallow or later. Pick an older build from the versions list below.
- "There was a problem parsing the package" — the download was interrupted. Delete the file and re-download over Wi-Fi.
- Works on one phone but not another — this build ships x86/x86-64/armeabi-v7a/arm64-v8a native code. Devices with a different CPU will reject it.