Bublox Hub Guide: What It Is and How to Use It with NovaPlay

When you install NovaPlay, you get more than just an Android emulator — you also get Bublox Hub, a lightweight companion app that lives on your Windows taskbar and acts as mission control for your entire session. If you have ever wondered what Bublox Hub actually does, why it opens alongside NovaPlay, or how to get the most out of it, this guide covers everything from first launch to advanced configuration.

What Is Bublox Hub?

Bublox Hub is NovaPlay's desktop companion application. Think of it as the bridge between your Windows environment and the Android session running inside the emulator. While NovaPlay handles the heavy lifting — booting the virtual device, managing GPU acceleration, and translating keyboard and mouse input — Bublox Hub gives you a clean, always-accessible panel to control that experience without digging through menus buried inside the emulator window.

It was designed with one principle in mind: keep it out of your way until you need it. The app lives in the system tray when minimized, consumes almost no CPU or memory at idle, and pops open instantly when you click its icon. No splash screen, no loading spinner.

Installing Bublox Hub

Bublox Hub ships bundled with NovaPlay — you do not need to download or install it separately. When you run the NovaPlay installer, Bublox Hub is placed in the same directory and registered to launch automatically with Windows. After a successful installation you will see the Bublox Hub icon (a small blue hexagon) in your system tray whenever Windows starts.

If for some reason the icon is missing after installation:

1. Open the NovaPlay installation folder (default: C:\Program Files\NovaPlay).
2. Locate BubloxHub.exe and double-click it.
3. Right-click the tray icon and select Start with Windows to restore auto-launch.

If you installed NovaPlay without administrator privileges, the auto-launch entry may not have been written. Running the installer again as administrator corrects this.

For a full walkthrough of the NovaPlay setup process, see our guide on what an Android emulator is and how it works — it covers system requirements and install steps in detail.

The Home Dashboard

Clicking the Bublox Hub tray icon opens the Home Dashboard, a compact panel with four main sections.

Status Bar

At the very top you will see a real-time status strip:

• Emulator state — whether NovaPlay is stopped, booting, or running.
• FPS counter — a live frames-per-second readout pulled directly from the renderer. This is the same number that appears in the NovaPlay overlay, mirrored here so you can glance at it without the emulator window in focus.
• Resource snapshot — CPU percentage and GPU memory in use, updated every two seconds.

The status bar is read-only. If you want to adjust GPU or performance settings, those controls live in the Settings panel (covered below).

Quick-Launch Shortcuts

Below the status bar is a row of app icons — your Quick-Launch shortcuts. These work exactly like the Android home screen inside the emulator, but they are triggered from Windows. Clicking a shortcut:

1. Brings the NovaPlay window into focus if it is minimized.
2. Sends a launch intent to the running Android session.
3. Opens the selected app inside the emulator immediately.

You can add any installed Android app to the Quick-Launch row. Open Bublox Hub, click Edit Shortcuts, and drag apps from the full app list on the left into the shortcut bar on the right. You can pin up to eight shortcuts. This is especially handy if you switch between several games or apps during a session — no need to navigate the Android launcher each time.

Notifications Panel

The Notifications panel aggregates two types of alerts:

• NovaPlay system notifications — driver warnings, low disk space alerts, session crash reports.
• Bublox Hub update notices — when a new version of either NovaPlay or Bublox Hub is available, the badge appears here rather than interrupting your session with a pop-up.

You can choose to receive notifications as Windows toast notifications or keep them silent inside the panel only. Go to Settings → Notifications to configure this. Most users prefer silent mode during gameplay and check the panel between sessions.

Session History

The bottom section of the Home Dashboard lists your recent sessions with timestamps and the apps you launched. This is purely informational — useful if you want to track how long you have been playing a particular game, or if you need to check when NovaPlay last ran before a crash. Entries are stored locally and never uploaded anywhere.

Settings Synced with NovaPlay

One of the most practical features in Bublox Hub is two-way settings sync. Changes you make in Bublox Hub are applied to the running NovaPlay session in real time, and changes you make inside NovaPlay's own settings menu are reflected in Bublox Hub immediately.

The synced settings include:

• Resolution and DPI — change the virtual screen resolution without restarting the emulator.
• Frame-rate cap — toggle between 30, 60, 90, and 120 FPS caps, or set a custom value.
• Keyboard and mouse mapping profile — switch between saved control profiles. This is particularly useful if you play different genres that need different control schemes.
• Audio output device — redirect emulator audio to headphones or speakers without touching Windows sound settings.
• GPU renderer — switch between hardware-accelerated and software rendering modes. Note that switching the renderer requires a quick emulator restart; Bublox Hub will prompt you before applying this one.

Settings that are not synced in real time (they require a full NovaPlay restart) are clearly marked with a small restart icon in the Bublox Hub panel.

For tips on getting the best performance out of these settings, check out our in-depth article on how to boost FPS in Android games on PC.

Keyboard and Mouse Profile Manager

The Profile Manager inside Bublox Hub deserves its own mention because it is the fastest way to create and switch control mappings. Mobile games are designed for touchscreens, so playing them with a keyboard and mouse requires defining which keys correspond to which screen regions or gestures.

In Bublox Hub you can:

• Create a new profile — name it after the game and assign keys to on-screen buttons visually.
• Import a community profile — Bublox Hub can load .bprofile files shared by other NovaPlay users.
• Switch profiles instantly — a keyboard shortcut (default: Alt + P) cycles through your saved profiles without opening any menu.

This is covered in much more detail in our keyboard and mouse controls guide for mobile games on PC, which walks through the entire mapping workflow step by step.

Troubleshooting: Bublox Hub Does Not Load

A handful of issues can prevent Bublox Hub from opening or displaying correctly.

Blank white panel on launch

This usually means the local config file is corrupt. Close Bublox Hub, navigate to %AppData%\BubloxHub\, delete the config.json file, and relaunch. The app will regenerate defaults on startup.

"Cannot connect to NovaPlay" error

Bublox Hub communicates with NovaPlay over a local loopback connection on port 7701. If a firewall or security tool is blocking loopback traffic, you will see this error even though both apps are on the same machine. Add BubloxHub.exe and NovaPlay.exe to your firewall's allow list and try again.

System tray icon missing after Windows update

Windows occasionally resets tray icon visibility settings after major updates. Right-click the taskbar, open Taskbar settings, scroll to the notification area, and make sure Bublox Hub is set to Show icon and notifications.

Hub launches but shortcuts do not open the app

If the emulator is not fully booted when you click a Quick-Launch shortcut, the intent is dropped. Wait for the status bar to show Running (not Booting) before using shortcuts.

High CPU usage from BubloxHub.exe

This is almost always caused by the FPS counter polling at too high a rate. Open Settings → Performance in Bublox Hub and set the Telemetry refresh interval to 2000 ms or higher. The default is 500 ms, which is fine on most systems but can cause spikes on older CPUs.

What's Coming: Bublox Hub Roadmap

The Bublox Hub team is actively developing several features currently in testing:

• Cloud profile sync — back up your control mapping profiles online and restore them on any machine running NovaPlay.
• Game-aware auto-switching — Bublox Hub will detect which app is in the foreground inside the emulator and automatically activate the matching control profile.
• Session recording launcher — a one-click button to start a screen capture of the NovaPlay window, saved directly to your Videos folder.
• Dark/light theme toggle — the panel currently follows your Windows accent color; a manual override is coming soon.

These are not firm release dates, but they give you a sense of where the companion experience is headed. Update notices for Bublox Hub appear in the Notifications panel, so you will know the moment new features land.

Wrapping Up

Bublox Hub is easy to overlook because it stays out of your way — but once you start using the Quick-Launch shortcuts, live FPS readout, and instant profile switching, going back to managing everything through the emulator window alone feels clunky. Spend five minutes pinning your most-played apps and creating a control profile, and Bublox Hub goes from a background process you ignore to a tool you actually rely on.

Ready to get started? Download NovaPlay — Bublox Hub is included, no extra steps required.