Brain Booster
v1.1 · 2.1 MB · code 2
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File information
UpdatedSep 3, 2025
PublishedJan 14, 2020
Packagecom.expert.brainbooster
Versionv1.1 (2)
Size2.1 MB
MD528235479510f38a83c3a76ca603b2c2f
Min SDK15
Malware scanTRUSTED
Signature SHA16A:C3:8A:7A:88:88:D7:BB:35:DF:DD:D6:43:82:11:60:83:24:23:9C
SignerOU=Expert
Total downloads439
This version439
DeveloperExpert Games
Age ratingEveryone
Security scan
TRUSTED
- Developer signature verified 2020-01-14
- Scanned for malware 2020-09-05 02:54:56
- Signature SHA1 6A:C3:8A:7A:88:88:D7:BB:35:DF:DD:D6:43:82:11:60:83:24:23:9C
- File MD5 28235479510f38a83c3a76ca603b2c2f
How to install Brain Booster v1.1 on Android API 15+
Takes about 2 minutes. You'll need roughly 2.1 MB of free storage.
- Grab com.expert.brainbooster_2.apk — hit the Download button above (2.1 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 28235479510f38a8…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find com.expert.brainbooster_2.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 OU=Expert. 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 Brain Booster — tap Open on the install screen, or find the Brain Booster icon in your app drawer.
Common install errors for Brain Booster
- "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 15 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.