
Math Challenge - Brain Workout
Jet VHS · com.yersinapps.math_challenge
At a glance
- Latest version
- v1.0.1 (2)
- Updated
- Oct 29, 2024 (1 year ago)
- APK size
- 4 MB
- Requires
- Android 2.2+ (API 8)
- CPU support
- Any (no native code)
- Category
- Education (app)
- Listed since
- Sep 9, 2019 (at least)
- Permissions
- 9 (2 sensitive)
- Developer contact
- [email protected]
About this APK
Math Challenge - Brain Workout is an app by Jet VHS in the Education category, listed since at least September 2019. It has no native code, so it runs on any Android processor.
It asks for 9 permissions, 2 of them sensitive: display over other apps and modify shared storage.
Description
From the listing uploaded by “catappult”.
Security & authenticity
Signing certificate
- Certificate issued to “Vu Hung Son” Not the developer's name (“Jet VHS”). Names in certificates can't be verified, so this alone proves nothing.
Store checks and file details
- Developer signature verified Jan 30, 2015
- Antivirus scan passed Oct 8, 2020
- Signed byCN=Vu Hung Son
- Signing certificate (SHA-1)4C:CC:7A:A8:10:C7:E4:C1:FC:B9:B7:27:D4:FE:D1:17:F7:88:BD:96
- File MD52b7d41362d71bc1d898bd8c446437ec0
- Uploaded by “catappult” Platinum tier · 1,377 followers · uploading since 2018
Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures. AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.
Permissions (9)
Math Challenge - Brain Workout requests 9 permissions, 2 of them sensitive.
- Display over other apps Sensitive android.permission.SYSTEM_ALERT_WINDOW
- Modify shared storage Sensitive android.permission.WRITE_EXTERNAL_STORAGE
- Control vibration android.permission.VIBRATE
- Full network access android.permission.INTERNET
- Get tasks android.permission.GET_TASKS
- Prevent the device from sleeping android.permission.WAKE_LOCK
- View Wi-Fi connections android.permission.ACCESS_WIFI_STATE
- View network connections android.permission.ACCESS_NETWORK_STATE
- Write internal storage android.permission.WRITE_INTERNAL_STORAGE
Required hardware & features
- Portrait screen android.hardware.screen.portrait
- Touchscreen android.hardware.touchscreen
- Wi-Fi android.hardware.wifi
Math Challenge - Brain Workout APK: questions and answers
Can I install this APK over the version I already have?
Only if it is signed with the same certificate as the copy on your phone and isn't an older version. If Android says “App not installed”, the certificates differ; uninstalling your copy first works but deletes its data unless it is backed up.
Is the Math Challenge - Brain Workout APK safe?
No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. After downloading, check that the file's MD5 is 2b7d41362d71bc1d898bd8c446437ec0.