

This is a shortcut creation tool dedicated to split-screen functionality, optimized for you who frequently multitask. Pin your two most-used app pairs to your home screen and launch them simultaneously in split-screen mode with a single tap.
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Automatically translated from Japanese by AI
【1】One-Tap Split Screen Simultaneous Launch
Launch two selected apps side-by-side (vertically or horizontally) in an instant. You'll be freed from the hassle of manually splitting the screen every time.
【2】Auto-Generate Eye-Catching "Composite Icons"
The shortcut icon placed on the home screen automatically generates a stylish image by zooming and overlaying the two selected app icons. A white-bordered boundary line appears in the overlapping area, making it easy to visually identify which app pair it is at a glance.
【3】Customize Shortcut Names
You can freely change the name of the shortcut you create. By default, the name "App A + App B" is automatically filled in, so you can create it easily as-is.
【4】Launch Delay (Timeout) Adjustment Function
To avoid issues like "only one app launches" due to device specifications or app compatibility, you can adjust the launch interval between the first and second apps in millisecond units (wait processing).
【5】Auto-Detection of Split-Incompatible Apps
Apps that don't support Android OS's split-screen feature are automatically detected at the app selection list stage, with the selection button grayed out and a "Split Not Supported" warning chip displayed. This prevents launch failures after creation.
【6】System App Hide & Swap Function
・Hide system apps from the list to quickly find your target app.
・Use the "⇄" button to swap the launch order (vertical screen position) of App A and App B with one tap.
【7】System Theme Support
Adopts a simple and modern UI design with full support for light mode, dark mode, and system settings.
◆ How to Use
※ Notes
・This app uses the Android OS standard split-screen feature to launch. Therefore, some apps that don't support split-screen (multi-window) itself cannot be registered or launched as a pair.
・Some advertisements (Google AdMob) are displayed within this app.
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