Concentration training
nixGames
v10.6.3
Varies
★★★★★ 4.7
Clean APK
Trusted App
No Virus
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Download File Details
Package Name
com.nixgames.concentration
Requires Android
Android 6.0+
Architecture
arm64-v8a, armeabi-v7a, x86_64
Version
v10.6.3
Last Updated
Jun 8, 2026
File Size
Varies
Downloads
500,000+
License
Free
Scan Result: Secure
0/48 malicious
No security vendors flagged this file as malicious
No Virus
No Malware
No Spyware
APK certificate fingerprints
Verified Official Signature (Passed com.google.android.verifier checks)
SHA-1 Certificate Fingerprint
Verified
B5:85:EF:F3:EE:2D:66:FD:17:45:37:A5:06:65:D1:37:B5:55:A8:BF
SHA-256 Certificate Fingerprint
Verified
3D55212119D9AD31398D6161F3595FE1312DB55961E919D1E5B5B9C9A1217751
Certificate Owner
Verified
If the signature certificate fingerprint matches the official Google Play version, it is cryptographically impossible for the APK to have been modified, guaranteeing that this APK is completely safe to install.
File Integrity Verification
File SHA-256 Checksum
Verified Safe
3D55212119D9AD31398D6161F35147C1397D17D9D5158D31EB9DF1513379ADD1
File MD5 Checksum
Verified Safe
N/A
What's New
🎯 Level up your concentration with the new “Moving Arrow” exercise. Keep training and stay sharp!
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 nixGames'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.