Hacker's Keyboard
vv1.40.7 · 2.6 MB · code 1040007
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File information
UpdatedFeb 4, 2026
PublishedApr 5, 2017
Packageorg.pocketworkstation.pckeyboard
Versionvv1.40.7 (1040007)
Size2.6 MB
MD599182c05a498222d332429955889a912
Min SDK14
ABIsx86, x86-64, armeabi-v7a, arm64-v8a
Malware scanTRUSTED
Signature SHA171:7B:BA:4F:E1:16:A2:EA:58:FA:88:DA:D7:28:FD:4D:63:B5:94:5E
SignerCN=Klaus Weidner, OU=Unknown, O=Unknown, L=Kirkland, ST=WA, C=US
Total downloads5,000,000
This version5,000,000
DeveloperKlaus Weidner
Age ratingEveryone
What's new in vv1.40.7
Try 3 for fixing popups on pre-O versions, tweak transparent and Material light themes.
Fix 4 for popups on Android O MR1 (8.1). (Android P is still misbehaving.)
Fix 4 for popups on Android O MR1 (8.1). (Android P is still misbehaving.)
Security scan
TRUSTED
- Developer signature verified 2021-12-19
- Scanned for malware 2020-09-13 06:54:47
- Signature SHA1 71:7B:BA:4F:E1:16:A2:EA:58:FA:88:DA:D7:28:FD:4D:63:B5:94:5E
- File MD5 99182c05a498222d332429955889a912
How to install Hacker's Keyboard vv1.40.7 on Android API 14+
Takes about 2 minutes. You'll need roughly 2.6 MB of free storage.
- Grab org.pocketworkstation.pckeyboard_1040007.apk — hit the Download button above (2.6 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 99182c05a498222d…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find org.pocketworkstation.pckeyboard_1040007.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=Klaus Weidner, OU=Unknown, O=Unknown, L=Kirkland, ST=WA, 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 Hacker's Keyboard — tap Open on the install screen, or find the Hacker's Keyboard icon in your app drawer (this build targets x86/x86-64/armeabi-v7a/arm64-v8a devices).
Common install errors for Hacker's Keyboard
- "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 API 14 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.