Marksman
v1.0.42.1 · 10.9 MB · code 14
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File information
UpdatedFeb 10, 2020
PublishedDec 9, 2018
Packageco.classplus.mark
Versionv1.0.42.1 (14)
Size10.9 MB
MD547aaeec41af8fd921bb6418b5aa986fd
Min SDK16
Malware scanTRUSTED
Signature SHA1EC:73:8F:1D:69:D4:65:8E:C9:D3:69:25:A1:3E:C3:B5:90:20:DA:24
SignerCN=Android, OU=Android, O=Google Inc., L=Mountain View, ST=California, C=US
Total downloads1,000
This version1,000
DeveloperEducation Media
Age ratingEveryone
Security scan
TRUSTED
- Developer signature verified 2020-02-10
- Scanned for malware 2020-11-05 22:04:23
- Signature SHA1 EC:73:8F:1D:69:D4:65:8E:C9:D3:69:25:A1:3E:C3:B5:90:20:DA:24
- File MD5 47aaeec41af8fd921bb6418b5aa986fd
How to install Marksman v1.0.42.1 on Android API 16+
Takes about 2 minutes. You'll need roughly 10.9 MB of free storage.
- Grab co.classplus.mark_14.apk — hit the Download button above (10.9 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 47aaeec41af8fd92…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find co.classplus.mark_14.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=Android, OU=Android, O=Google Inc., L=Mountain View, ST=California, 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 Marksman — tap Open on the install screen, or find the Marksman icon in your app drawer.
Common install errors for Marksman
- "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 16 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.