
Math 24 - Mental Math Cards
It is a classical math puzzle game. Combine 4 number cards into 24 using +-×÷
Happy Monster Alliance · com.smellymonster.games.make24
- Signature matches the Google Play version Details
At a glance
- Latest version
- v2.8.1 (2801)
- Updated
- Dec 8, 2025 (10 months ago)
- APK size
- 20.9 MB
- Requires
- Android 5.0+ (API 21)
- CPU support
- ARM 32-bit, ARM 64-bit
- Graphics
- OpenGL ES 2.0+
- Category
- Puzzle (game)
- Listed since
- Aug 27, 2024 (at least)
- Permissions
- 15 (2 sensitive)
- Developer contact
- [email protected]
- Privacy
- Developer's privacy policy
About this APK
Math 24 - Mental Math Cards is a game by Happy Monster Alliance in the Puzzle category, listed since at least August 2024. It includes native code for ARM 32-bit and ARM 64-bit, so it runs on practically every phone.
It asks for 15 permissions, 2 of them sensitive: read phone status and identity and modify shared storage. The game offers in-app purchases through Google Play and can read the advertising ID that ad and analytics services use.
What's new in v2.8.1
Description
From the listing uploaded by “appupdater”.
Security & authenticity
Signing certificate
- Signature matches the Google Play version Checked by the source store on Dec 8, 2025.
- Certificate issued to “Little Smelly Monster” This is the certificate of the Google Play version.
Store checks and file details
- Developer signature verified Dec 8, 2025
- Validated against Google Play Dec 8, 2025
- Signed byCN=Little Smelly Monster, OU=Little Smelly Monster, O=Little Smelly Monster, L=Smelly Monster, ST=Monster, C=US
- Signing certificate (SHA-1)E8:00:74:2E:40:11:C3:A8:2F:2D:E9:0B:CE:D4:A2:2F:44:48:25:DF
- File MD51055e02ffb2ec89ed6c07ead877f2dc3
- Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020
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 (15)
Math 24 - Mental Math Cards requests 15 permissions, 2 of them sensitive.
- Modify shared storage Sensitive android.permission.WRITE_EXTERNAL_STORAGE
- Read phone status and identity Sensitive android.permission.READ_PHONE_STATE
- Access adservices ad id android.permission.ACCESS_ADSERVICES_AD_ID
- Access adservices attribution android.permission.ACCESS_ADSERVICES_ATTRIBUTION
- Access adservices topics android.permission.ACCESS_ADSERVICES_TOPICS
- Advertising ID com.google.android.gms.permission.AD_ID
- Control vibration android.permission.VIBRATE
- Full network access android.permission.INTERNET
- Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
- In-app purchases (Google Play Billing) com.android.vending.BILLING
- Internal broadcast protection (app-defined) com.smellymonster.games.make24.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
- Prevent the device from sleeping android.permission.WAKE_LOCK
- Run foreground services android.permission.FOREGROUND_SERVICE
- View Wi-Fi connections android.permission.ACCESS_WIFI_STATE
- View network connections android.permission.ACCESS_NETWORK_STATE
Required hardware & features
- Basic touch input android.hardware.faketouch
- Portrait screen android.hardware.screen.portrait
- Wi-Fi android.hardware.wifi
Math 24 - Mental Math Cards APK: questions and answers
Can I install this APK over the version I already have?
Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.
Is Math 24 - Mental Math Cards free?
The APK is free to download, but the game offers in-app purchases through Google Play.
Is the Math 24 - Mental Math Cards APK safe?
No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. After downloading, check that the file's MD5 is 1055e02ffb2ec89ed6c07ead877f2dc3.