The 3k777 app brings the full casino and sportsbook experience to your Android phone. Faster loading, smoother gameplay, and instant access to your wallet — all in one free download.
Free to download · Android 5.0+ · Under 30MB
The official 3k777 APK for Android. Free to download, fast to install, and packed with every game and feature available on the full website.
Before installing, go to your phone's Settings → Security and enable "Install from Unknown Sources". This is required for all APK files downloaded outside the Play Store.
By downloading, you agree to our Terms and Conditions
Technical Details
| Operating System | Android 5.0 and above |
| File Format | APK (Android Package) |
| Download Size | 28.4 MB |
| RAM Required | 1 GB minimum |
| Storage Needed | 50 MB free space |
| Internet | 3G / 4G / Wi-Fi |
| Language | English |
| Price | Free |
| Developer | 3k777 |
The 3k777 app APK is scanned and verified before every release. It contains no malware, no spyware, and no hidden permissions beyond what is needed to run the app.
Games in the App
Installation Guide
Follow these steps to get the 3k777 app running on your Android phone in under 3 minutes.
Open your phone's Settings, go to Security or Privacy, and turn on "Install from Unknown Sources" or "Allow from this source". This lets your phone install APK files that are not from the Play Store.
Tap the Download button on this page. The 3k777 APK file (28.4 MB) will begin downloading to your phone's storage. Make sure you have a stable internet connection — mobile data works fine.
Once the download is complete, open your phone's file manager or tap the notification in your status bar. Locate the 3k777 APK file and tap it to begin installation.
Your phone will show an installation prompt. Tap "Install" and wait a few seconds. The 3k777 app icon will appear on your home screen once installation is complete.
Tap the 3k777 app icon to launch it. Login with your existing account or register for free if you are new. Your account, balance, and bonuses are all synced instantly.
Why Use the App
The 3k777 app loads games up to 3x faster than opening the site in a mobile browser. No lag, no waiting — just instant access to your favourite games the moment you tap the icon.
Never miss a promotion again. The 3k777 app sends you push notifications for new bonuses, deposit offers, and game launches — so you are always first in line to claim rewards.
Log in to your 3k777 account using your fingerprint or face unlock. No need to type your password every time — just a tap and you are inside your account in under a second.
The 3k777 app is built for real conditions in Bangladesh. It runs smoothly on 3G connections and uses less data than the browser version, so you can play even when your signal is weak.
The app has a built-in payment flow for bKash and Nagad. Deposit in BDT without leaving the app — the process takes under 60 seconds and your balance updates immediately.
The 3k777 app uses the same 256-bit SSL encryption as the website. Your login details, payment information, and personal data are fully protected every time you use the app.
App vs Browser
If you have been playing on 3k777 through your mobile browser, you already know how good the platform is. But once you switch to the 3k777 app, it is hard to go back. The difference is noticeable from the first time you open it — games load faster, the interface feels smoother, and everything is just easier to navigate on a small screen.
For players in Dhaka, Chittagong, Sylhet, and across Bangladesh who rely on mobile data rather than home Wi-Fi, the app makes a real difference. It is optimised to use less data without sacrificing game quality. Whether you are on Grameenphone, Robi, Banglalink, or Teletalk, the 3k777 app is designed to work well on the networks most Bangladeshi players actually use.
The app also keeps you connected to your account in a way the browser cannot. Push notifications mean you will know the moment a new bonus drops or a limited-time promotion goes live. For players who want to stay on top of every offer, this alone makes the 3k777 app worth downloading.
The 3k777 app is currently available for Android only. iOS support is in development. iPhone users can access the full 3k777 experience through the mobile browser at 3k777.xyz.
Is the 3k777 app free to download? Yes, completely free. There are no charges to download or install the 3k777 app. You only spend money when you choose to make a deposit and play.
Is it safe to install an APK file? Yes, as long as you download it from the official 3k777 website. Our APK is scanned and verified before every release. Avoid downloading the 3k777 app from third-party sites or unofficial sources.
My phone says the app is blocked. What do I do? This is normal for APK files. Go to Settings → Security and enable "Install from Unknown Sources". Once installed, you can turn this setting back off if you prefer.
Can I use the same account on the app and the website? Yes. Your 3k777 account works across all platforms. Login with the same credentials on the app, mobile browser, or desktop — your balance and history are always in sync.
How do I update the 3k777 app? When a new version is available, you will receive a push notification or see an update prompt when you open the app. Simply download and install the new APK over the existing one — your account data is preserved.
Tip: After installing the 3k777 app, enable push notifications when prompted. This is the fastest way to hear about exclusive app-only bonuses that are not always advertised on the website.
Every game available on the 3k777 website is also available in the app — and in many cases, the app version runs even better on mobile hardware. From the action-packed Royal Fishing to the fast-paced Dice games, from the immersive Virtual Casino tables to the high-volatility Wild Bandito slots, everything is there.
The 3k777 app also includes Fortune Horse for racing fans, Boom Legend for players who love big multipliers, and Blocky Block for something a little different. New games are added regularly and the app updates automatically to include them.
If you have not tried all the games yet, the app is a great place to explore. The interface is designed for touch screens, so navigating between games, checking your balance, and placing bets all feel natural on mobile. Head to the Game page to see the full list of what is available.
Ready to Play?
Join over 500,000 players across Bangladesh. Download the free 3k777 app, register your account, and claim your welcome bonus in minutes.
Android 5.0+ · 28MB · Free · 18+ only