Theta Music Trainer
v3.0.12 · 86.7 MB · code 3001202
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File information
UpdatedNov 27, 2025
PublishedApr 7, 2021
Packageair.com.thetamusic.trainer2
Versionv3.0.12 (3001202)
Size86.7 MB
MD555e34fe8accbc65dbb1574a7de3b51b8
Min SDK24
ABIsx86-64, armeabi-v7a, arm64-v8a
Malware scanTRUSTED
Signature SHA146:EA:E8:C0:04:ED:D4:6D:DF:01:9E:A0:56:C0:82:DA:2D:D4:FF:F8
SignerCN=Steve Myers, OU=Unknown, O=Theta Music Technologies Inc., L=Mitaka, ST=Tokyo, C=JP
Total downloads10,000
This version10,000
DeveloperTheta Music Technologies, Inc.
Age ratingEveryone
What's new in v3.0.12
Billing API update, various other small changes.
Security scan
TRUSTED
- Developer signature verified 2025-11-27
- Signature SHA1 46:EA:E8:C0:04:ED:D4:6D:DF:01:9E:A0:56:C0:82:DA:2D:D4:FF:F8
- File MD5 55e34fe8accbc65dbb1574a7de3b51b8
How to install Theta Music Trainer v3.0.12 on Android 7.0 Nougat+
Takes about 2 minutes. You'll need roughly 86.7 MB of free storage.
- Grab air.com.thetamusic.trainer2_3001202.apk — hit the Download button above (86.7 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 55e34fe8accbc65d…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find air.com.thetamusic.trainer2_3001202.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=Steve Myers, OU=Unknown, O=Theta Music Technologies Inc., L=Mitaka, ST=Tokyo, C=JP. 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 Theta Music Trainer — tap Open on the install screen, or find the Theta Music Trainer icon in your app drawer (this build targets x86-64/armeabi-v7a/arm64-v8a devices).
Common install errors for Theta Music Trainer
- "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.
- Works on one phone but not another — this build ships x86-64/armeabi-v7a/arm64-v8a native code. Devices with a different CPU will reject it.