
Pocket Academy ZERO
Help your students succeed and make your school famous!
Kairosoft Co.,Ltd · net.kairosoft.android.school1_ja
- Signature matches the Google Play version Details
At a glance
- Latest version
- v2.2.2 (222)
- Updated
- Apr 17, 2026 (6 months ago)
- APK size
- 39.9 MB
- Requires
- Android 7.0+ (API 24)
- CPU support
- ARM 32-bit, ARM 64-bit
- Graphics
- OpenGL ES 2.0+
- Category
- Casual (game)
- Listed since
- Aug 10, 2021 (at least)
- Permissions
- 15
- Developer contact
- [email protected]
- Privacy
- Developer's privacy policy
About this APK
Pocket Academy ZERO is a game by Kairosoft Co.,Ltd in the Casual category, listed since at least August 2021. It includes native code for ARM 32-bit and ARM 64-bit, so it runs on practically every phone.
Since version 2.2.0, the APK shrank from 47.7 MB to 39.9 MB. It asks for 15 permissions, none of them sensitive. It asks for the same permissions as version 2.2.1. The game can read the advertising ID that ad and analytics services use.
What's new in v2.2.2
Description
From the listing uploaded by “appupdater”.
Version history
3 versions are listed, going back to v2.2.0.
Security & authenticity
Signing certificate
- Signature matches the Google Play version Checked by the source store on Apr 17, 2026.
- Certificate issued to “Kairosoft” This is the certificate of the Google Play version.
- Same certificate as the 2 other versions checked
Store checks and file details
- Developer signature not checked yet Apr 17, 2026
- Validated against Google Play Apr 17, 2026
- Signed byCN=Kairosoft, OU=Kairosoft, O=Kairosoft, L=Tokyo, ST=Tokyo, C=81
- Signing certificate (SHA-1)CA:31:E6:74:74:E9:80:89:98:8F:66:F8:85:37:D3:71:B5:97:D0:02
- File MD533896eaf3e08a81c0fe68078f118bbf7
- 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 (2 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.
Permissions (15)
Pocket Academy ZERO requests 15 permissions, none of them sensitive.
- 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
- Full network access android.permission.INTERNET
- Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
- Google Play license check com.android.vending.CHECK_LICENSE
- Internal broadcast protection (app-defined) net.kairosoft.android.school1_ja.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
- Prevent the device from sleeping android.permission.WAKE_LOCK
- Push messaging (app-defined) net.kairosoft.android.school1_ja.permission.C2D_MESSAGE
- Receive push notifications com.google.android.c2dm.permission.RECEIVE
- Run foreground services android.permission.FOREGROUND_SERVICE
- Show notifications android.permission.POST_NOTIFICATIONS
- View Wi-Fi connections android.permission.ACCESS_WIFI_STATE
- View network connections android.permission.ACCESS_NETWORK_STATE
Required hardware & features
- Portrait screen android.hardware.screen.portrait
- Wi-Fi android.hardware.wifi
Pocket Academy ZERO 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 the Pocket Academy ZERO 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. It is signed with the same certificate as the 2 other versions checked. After downloading, check that the file's MD5 is 33896eaf3e08a81c0fe68078f118bbf7.