81Dojo (World Online Shogi)
v2.3.8 · 10.4 MB · code 2030801
Verify you're human
Solve this to start the download.
File information
UpdatedJan 18, 2026
PublishedJun 12, 2021
Packageair.air.A81DojoMobile
Versionv2.3.8 (2030801)
Size10.4 MB
MD5262a6efb9d3f6755d9486e56775fe444
Min SDK24
Malware scanTRUSTED
Signature SHA1AC:1D:EB:95:44:61:0F:59:4A:41:C6:F2:54:93:11:70:D1:EE:77:55
SignerCN=81DojoMobile
Total downloads50,000
This version50,000
Developer81Dojo
Age ratingEveryone
What's new in v2.3.8
- Design upgrade of the traditional Written Piece
- Greet button is added to the menubar
- Larger avatar image
- Bugfixes
- Greet button is added to the menubar
- Larger avatar image
- Bugfixes
Security scan
TRUSTED
- Developer signature verified 2026-01-18
- Signature SHA1 AC:1D:EB:95:44:61:0F:59:4A:41:C6:F2:54:93:11:70:D1:EE:77:55
- File MD5 262a6efb9d3f6755d9486e56775fe444
How to install 81Dojo (World Online Shogi) v2.3.8 on Android 7.0 Nougat+
Takes about 2 minutes. You'll need roughly 10.4 MB of free storage.
- Grab air.air.A81DojoMobile_2030801.apk — hit the Download button above (10.4 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 262a6efb9d3f6755…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find air.air.A81DojoMobile_2030801.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=81DojoMobile. 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 81Dojo (World Online Shogi) — tap Open on the install screen, or find the 81Dojo (World Online Shogi) icon in your app drawer.
Common install errors for 81Dojo (World Online Shogi)
- "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 7.0 Nougat 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.