Blackjack 21 app icon

Blackjack 21

Giuseppe Romano · com.aiuspaktyn.blackjack

5.0 out of 5 (1 rating) 714 downloads v1.0.6 4.6 MB Android 4.0+ PEGI 3 · Everyone

At a glance

Latest version
v1.0.6 (6)
Updated
Sep 23, 2025 (1 year ago)
APK size
4.6 MB
Requires
Android 4.0+ (API 14)
CPU support
Any (no native code)
Category
Card (game)
Listed since
Aug 17, 2019 (at least)
Permissions
4
Website
aiuspaktyn.github.io
Developer contact
[email protected]
Privacy
Developer's privacy policy

About this APK

Blackjack 21 is a game by Giuseppe Romano in the Card category, listed since at least August 2019. It has no native code, so it runs on any Android processor.

It asks for 4 permissions, none of them sensitive.

What's new in v1.0.6

• Android 10 • Chromebook • Samsung Multi Window • LG Split Window

Description

From the listing uploaded by “catappult”.

Blackjack, also known as twenty-one, is the most widely played casino banking game in the world. Blackjack is a comparing card game between a player and dealer, meaning that players compete against the dealer but not against any other players. It is played with two decks of 52 cards. The object of the game is to "beat the dealer", which can be done in a number of ways: Get 21 points on the player's first two cards (called a blackjack), without a dealer blackjack; Reach a final score higher than the dealer without exceeding 21; or Let the dealer draw additional cards until his or her hand exceeds 21. The player or players are dealt an initial two-card hand and add together the value of their cards. Face cards (kings, queens, and jacks) are counted as ten points. A player and the dealer can count his or her own ace as 1 point or 11 points. All other cards are counted as the numeric value shown on the card. After receiving their initial two cards, players have the option of getting a "hit", or taking an additional card. In a given round, the player or the dealer wins by having a score of 21 or by having the highest score that is less than 21. Scoring higher than 21 (called "busting" or "going bust") results in a loss. A player may win by having any final score equal to or less than 21 if the dealer busts.

Security & authenticity

Security rating: Trusted

Signing certificate

  • Certificate issued to “Giuseppe Romano” The developer's name — though anyone can put any name in a certificate.

Store checks and file details

  • Developer signature verified May 22, 2020
  • Antivirus scan passed Sep 18, 2020
  • Signed byCN=Giuseppe Romano, L=Pomigliano d'Arco, ST=Napoli, C=IT
  • Signing certificate (SHA-1)2C:17:49:42:AD:F3:22:20:46:D0:89:E5:D7:46:6C:50:D0:B3:BE:5A
  • File MD5c4a1a30b42175fdfa503290b84a92595
  • 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 (4)

Blackjack 21 requests 4 permissions, none of them sensitive.

Blackjack 21 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 Blackjack 21 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 c4a1a30b42175fdfa503290b84a92595.

Tags

More Card games