Windows 11 can pause and resume apps when you switch between them, and this also applies to Android apps running through the Windows Subsystem for Android. You turn this on in the system settings, and you can continue an Android activity simply by clicking its taskbar icon or using Alt+Tab. Here is the exact path and the details that make it work.
Where the Resume Setting Lives
The feature is called “Startup boost” in some builds, but the resume behavior you are asking about is controlled by the “Background apps” setting. To find it:
- Open Settings (Win + I).
- Go to System > Power & battery (or Power on desktop PCs).
- Click Background apps.
- Toggle Let apps run in the background to On.
This setting applies to all apps, including Android apps. When it is on, Windows 11 keeps the app’s state in memory, so returning to it feels instant. When it is off, the system may close the app entirely, and you will see it restart from scratch.
How Android Apps Resume on Windows 11
Android apps in Windows 11 run inside a virtual machine called the Windows Subsystem for Android (WSA). The subsystem has its own memory management. When you switch away from an Android app, the subsystem may keep it running in the background, pause it, or kill it, depending on system pressure and the app’s own behavior.
To continue an Android activity, you do not need a special command. Just:
- Click the app’s icon on the taskbar, or
- Press Alt+Tab and select it, or
- Use Win+Tab to see all open windows.
If the app was paused, it resumes immediately. If it was killed, it restarts, and you may lose unsaved in-app progress. The resume behavior is not guaranteed for every Android app because some apps (like games) request to run only in the foreground.
Why Some Android Apps Do Not Resume
Android apps have their own lifecycle. Even on a phone, an app can be paused, stopped, or destroyed. On Windows 11, the subsystem follows similar rules. Apps that use background services (like music players or messengers) may keep running, while others are frozen.
If an app does not resume where you left off, check these:
- The app may have a built-in timeout that closes inactive sessions.
- The subsystem may have run out of memory. You can increase the allocated memory in the WSA settings (Settings > Apps > Windows Subsystem for Android > Memory).
- The app may be designed to restart on launch, like many banking or social apps.
How to Force an Android App to Stay Open
If you want a specific Android app to never be paused, you can pin it to the taskbar and keep it in the foreground. But Windows 11 does not offer a per-app “keep alive” toggle for Android apps. The closest option is to disable the “Background apps” setting globally, which tells Windows to never suspend apps. That works, but it uses more battery and RAM.
Another approach: in the Android app’s own settings (inside the app), look for a “battery optimization” or “background activity” option. Some apps let you disable battery saving, which helps the subsystem keep them alive.
Common Problems and Fixes
Problem: Android app restarts every time I switch away.
Fix: Make sure “Background apps” is On. Then open the Windows Subsystem for Android settings and increase the memory allocation (the default is 4 GB, but you can set it to 8 GB if your PC has 16 GB or more). Restart the subsystem.
Problem: App is frozen when I return.
Fix: This is usually a subsystem issue. Close the app, then in the WSA settings, click “Terminate” to shut down the subsystem, and relaunch the app. This clears temporary glitches.
Problem: Alt+Tab shows the app but the window is blank.
Fix: The app may be rendering in a different graphics mode. Try resizing the window slightly, or press Win+Shift+Enter to enter fullscreen and back. If that fails, restart the subsystem.
Comparing Resume Behavior: Android Apps vs. Native Windows Apps
Native Windows apps resume almost always because they are designed for the Windows process model. Android apps are a layer of abstraction, so there is an extra step. The subsystem acts like a middleman, and its own memory management can override Windows’ background settings.
In practice, native apps resume faster and more reliably. Android apps are closer to how they behave on a phone: if the phone is low on RAM, the OS kills background apps. The same happens in WSA, but you can control the RAM allocation, which gives you more headroom.
Frequently Asked Questions
Does the “Startup boost” setting affect Android app resume?
No. Startup boost is for Windows apps that launch at sign-in. It does not control background execution. You need the “Background apps” setting.
Will disabling background apps save battery?
Yes, it can save battery, but it will also break resume for all apps, not just Android ones. If you rely on resuming, keep it On.
Can I resume an Android app after closing the subsystem?
No. If you manually terminate the subsystem (via Settings > Apps > Windows Subsystem for Android > Terminate), all Android apps close. You must relaunch them.
Why does my Android game not resume even with background apps On?
Games often request to run in the foreground only. The subsystem respects that, so the game is paused or closed when you switch away. This is normal and not a bug.
Is there a keyboard shortcut to resume the last Android app?
Not a dedicated one. You can use Alt+Tab to cycle through recent windows, or Win+Tab to see all open windows and click the Android app.
Does resuming an Android app consume more RAM?
Yes, keeping apps in memory uses RAM. If you have 8 GB or less, you may want to keep background apps Off for Android apps to avoid slowdowns.
Related
General steps for current mainstream versions; menus can differ by device and version. See the disclaimer or report an error.
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