Advanced 21 Blackjack
Basement Software LLC
v1.0.32
Varies
★★★★☆ 4.5
Clean APK
Trusted App
No Virus
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Download File Details
Package Name
com.BasementSoftware.Advanced21Blackjack
Requires Android
Android 8.0+
Architecture
arm64-v8a, armeabi-v7a, x86_64
Version
v1.0.32
Last Updated
May 19, 2026
File Size
Varies
Downloads
10,000+
License
Free
Security & Checksum Signatures
SHA-256 Checksum
Verified Safe
3D5561F1D905B5C17141216913718F11C179E1F1D105AD013F155F511F297941
SHA-1 Checksum
Verified Safe
7915E5359D8DF149B5C5A569D3B58FD1C5B5653D
Developer Signature Certificate
Verified Original
B5:85:EF:F3:0A:CD:25:E1:CB:C5:D0:B7:C5:55:14:BB:81:F5:0C:39
Owner: CN=Basement Software LLC, O=Basement Software LLC
What's New
Leaderboards: Compete with players around the world! Our new leaderboards allow you to track your performance and see how you stack up against others. Climb the ranks and showcase your skills!
Step-by-Step Sideloading Guide
1
Enable Unknown Sources
Enable "Install Unknown Apps" in Android security settings.
2
Choose Mirror Source
Wait for the countdown to complete and choose a mirror server.
3
Complete Installation
Install the APK. For split bundles (.apks), use the APKs installer, and for .xapk, use the XAPK Installer.
Frequently Asked Questions
Yes, this APK is 100% safe. The cryptographic signature matches the official developer Basement Software LLC's certificate, guaranteeing it is unmodified and safe.
If the file is a split bundle (.apks), you will need the Split APKs Installer (SAI) utility to perform the installation on your Android device.
To update the app, simply return to our site when a new version is available, download the new APK, and install it on top of the existing app.