G-Stomper Studio Demo
v5.9.0.1 · 72.8 MB · code 669
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File information
UpdatedJan 16, 2026
PublishedAug 17, 2021
Packagecom.planeth.gstomperdemo
Versionv5.9.0.1 (669)
Size72.8 MB
MD59112ffac483e2ce24c34517ab6a80b7e
Min SDK21
ABIsx86, x86-64, armeabi-v7a, arm64-v8a
Malware scanTRUSTED
Signature SHA112:EF:DE:08:69:42:17:8D:90:2E:E9:42:1E:5D:05:FD:E7:0F:CF:44
SignerCN=Andreas Grässer, L=Zurich, ST=Zurich, C=CH
Total downloads1,000,000
This version1,000,000
Developerplanet-h.com
Age ratingEveryone
What's new in v5.9.0.1
Touch-move-drop editor mode for tonal grids (activated by default)
- You can now place and move around notes in the tonal grids by touching, moving, and dropping them
- Optionally, you can switch back to the classic paint mode in the grid cfg or via SETUP / UI
Paused + Recording state is now correctly handled when receiving a MIDI start event
Fixed a bug in tempo calculation when receiving MIDI clock while the sequencer is stopped
https://www.planet-h.com/g-stomper-studio/gst-whats-new/
- You can now place and move around notes in the tonal grids by touching, moving, and dropping them
- Optionally, you can switch back to the classic paint mode in the grid cfg or via SETUP / UI
Paused + Recording state is now correctly handled when receiving a MIDI start event
Fixed a bug in tempo calculation when receiving MIDI clock while the sequencer is stopped
https://www.planet-h.com/g-stomper-studio/gst-whats-new/
Security scan
TRUSTED
- Developer signature verified 2026-01-16
- Signature SHA1 12:EF:DE:08:69:42:17:8D:90:2E:E9:42:1E:5D:05:FD:E7:0F:CF:44
- File MD5 9112ffac483e2ce24c34517ab6a80b7e
How to install G-Stomper Studio Demo v5.9.0.1 on Android 5.0 Lollipop+
Takes about 2 minutes. You'll need roughly 72.8 MB of free storage.
- Grab com.planeth.gstomperdemo_669.apk — hit the Download button above (72.8 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 9112ffac483e2ce2…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find com.planeth.gstomperdemo_669.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=Andreas Grässer, L=Zurich, ST=Zurich, C=CH. 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 G-Stomper Studio Demo — tap Open on the install screen, or find the G-Stomper Studio Demo icon in your app drawer (this build targets x86/x86-64/armeabi-v7a/arm64-v8a devices).
Common install errors for G-Stomper Studio Demo
- "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.