
Simply 21 - Blackjack
Place cards on four columns and hit exactly 21. Relaxed card game, no timer.
ExtraAndroary · com.twenty.one
- Signature matches the Google Play version Details
At a glance
- Latest version
- v2.0.1 (401)
- Updated
- Sep 26, 2026 (13 days ago)
- APK size
- 16.3 MB
- Requires
- Android 7.0+ (API 24)
- CPU support
- x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
- Graphics
- OpenGL ES 2.0+
- Category
- Card (game)
- Listed since
- May 19, 2022 (at least)
- Permissions
- 11
- Website
- extraandroary.com
- Developer contact
- [email protected]
- Privacy
- Developer's privacy policy
About this APK
Simply 21 - Blackjack is a game by ExtraAndroary in the Card category, listed since at least May 2022. It includes native code for x86 32-bit, x86 64-bit, ARM 32-bit and ARM 64-bit, so it runs on practically every phone.
Since version 1.7.1, the minimum Android version rose from 6.0 to 7.0. It asks for 11 permissions, none of them sensitive. It asks for the same permissions as version 2.0.0. 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 v2.0.1
Description
From the listing uploaded by “appupdater”.
Version history
4 versions are listed, going back to v1.7.1. Since v2.0.0 it requires Android 7.0+.
Security & authenticity
Signing certificate
- Signature matches the Google Play version Checked by the source store on Sep 26, 2026.
- Certificate issued to “Simon” 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 Sep 26, 2026
- Validated against Google Play Sep 26, 2026
- Signed byCN=Simon
- Signing certificate (SHA-1)31:BA:F3:9E:9D:95:88:52:8D:A8:59:55:3C:B0:3C:40:C9:89:8A:CA
- File MD5bff12e714d29efdf0048062c4a633c16
- 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 (11)
Simply 21 - Blackjack requests 11 permissions, none of them sensitive.
- Access adservices ad id android.permission.ACCESS_ADSERVICES_AD_ID
- Access adservices attribution android.permission.ACCESS_ADSERVICES_ATTRIBUTION
- 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
- In-app purchases (Google Play Billing) com.android.vending.BILLING
- Internal broadcast protection (app-defined) com.twenty.one.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
- Prevent the device from sleeping android.permission.WAKE_LOCK
- Read basic phone state android.permission.READ_BASIC_PHONE_STATE
- Run foreground services android.permission.FOREGROUND_SERVICE
- View network connections android.permission.ACCESS_NETWORK_STATE
Required hardware & features
- Basic touch input android.hardware.faketouch
- Landscape screen android.hardware.screen.landscape
Simply 21 - Blackjack APK: questions and answers
Is there a version of Simply 21 - Blackjack for older Android phones?
The current version needs Android 7.0 or later. Version 1.7.2 is the newest listed build that installs on Android 6.0 and later. Get version 1.7.2 · All versions
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 Simply 21 - Blackjack free?
The APK is free to download, but the game offers in-app purchases through Google Play.
Is the Simply 21 - Blackjack 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 bff12e714d29efdf0048062c4a633c16.