Mysterious Dev
v3.0 · 16.5 MB · code 12
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File information
UpdatedSep 19, 2025
PublishedDec 18, 2019
Packagecom.mysterious.dev.new
Versionv3.0 (12)
Size16.5 MB
MD598da334464fcc4a0e1f6d767c613635f
Min SDK21
ABIsx86, x86-64, armeabi-v7a, arm64-v8a
Malware scanTRUSTED
Signature SHA1C6:88:98:49:86:E6:05:CA:C8:C2:AF:76:15:C6:FB:40:8C:DF:9C:9C
SignerCN=Android, OU=Android, O=Google Inc., L=Mountain View, ST=California, C=US
Total downloads693
This version693
Developerصيفان السعيد
Age ratingEveryone
What's new in v3.0
مالجديد 2.0
-تغيرر واجهة تصفح المقالات
-اضافة المزيد من التخطيطات
-تغيرر خيار البحث وتغيير الواجهة
-اصلاحات وتحسينات مهمة
-تغيرر واجهة تصفح المقالات
-اضافة المزيد من التخطيطات
-تغيرر خيار البحث وتغيير الواجهة
-اصلاحات وتحسينات مهمة
Security scan
TRUSTED
- Developer signature verified 2021-11-06
- Scanned for malware 2021-11-06 12:54:17
- Signature SHA1 C6:88:98:49:86:E6:05:CA:C8:C2:AF:76:15:C6:FB:40:8C:DF:9C:9C
- File MD5 98da334464fcc4a0e1f6d767c613635f
How to install Mysterious Dev v3.0 on Android 5.0 Lollipop+
Takes about 2 minutes. You'll need roughly 16.5 MB of free storage.
- Grab com.mysterious.dev.new_12.apk — hit the Download button above (16.5 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 98da334464fcc4a0…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find com.mysterious.dev.new_12.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 Mysterious Dev — tap Open on the install screen, or find the Mysterious Dev icon in your app drawer (this build targets x86/x86-64/armeabi-v7a/arm64-v8a devices).
Common install errors for Mysterious Dev
- "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.