Forward Chess - Book Reader
v2.19.1 · 85.7 MB · code 464
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File information
UpdatedMar 19, 2026
PublishedFeb 22, 2021
Packagecom.forwardchess
Versionv2.19.1 (464)
Size85.7 MB
MD55968a719fb2ff18dadd52673ed45824b
Min SDK21
ABIsx86, x86-64, armeabi-v7a, arm64-v8a
Malware scanTRUSTED
Signature SHA1BE:C9:9D:DF:73:70:B7:88:46:23:FC:E6:96:80:EF:FF:4C:E8:B5:F0
SignerCN=Mongoose Press Chess Stars, OU=Mongoos Press Chess Stars, O=Mongoose Press Chess Stars, L=Boston, ST=M, C=US
Total downloads100,000
This version100,000
DeveloperForward Chess
Age ratingEveryone
What's new in v2.19.1
* [Audio mode] Now Listen to the Chess Fundamentals book!
* Improved user experience. If you accidentally swiped to a different chapter, swiping back should take you back to the earlier place in your chapter so you do not lose track of what you were reading!
* Improved user experience. If you accidentally swiped to a different chapter, swiping back should take you back to the earlier place in your chapter so you do not lose track of what you were reading!
Security scan
TRUSTED
- Developer signature verified 2026-03-19
- Signature SHA1 BE:C9:9D:DF:73:70:B7:88:46:23:FC:E6:96:80:EF:FF:4C:E8:B5:F0
- File MD5 5968a719fb2ff18dadd52673ed45824b
How to install Forward Chess - Book Reader v2.19.1 on Android 5.0 Lollipop+
Takes about 2 minutes. You'll need roughly 85.7 MB of free storage.
- Grab com.forwardchess_464.apk — hit the Download button above (85.7 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 5968a719fb2ff18d…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find com.forwardchess_464.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=Mongoose Press Chess Stars, OU=Mongoos Press Chess Stars, O=Mongoose Press Chess Stars, L=Boston, ST=M, C=US. 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 Forward Chess - Book Reader — tap Open on the install screen, or find the Forward Chess - Book Reader icon in your app drawer (this build targets x86/x86-64/armeabi-v7a/arm64-v8a devices).
Common install errors for Forward Chess - Book Reader
- "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 5.0 Lollipop 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.