Games v1.22.0
Does Mystery Town work on iPhone Duo?
It works, but with black bars. Mystery Town 1.22.0 is built with the iOS 26.2 SDK, so iPhone Duo runs it in a phone-sized window on the inner display.
At a glance
- Inner display (7.6″)
- Black bars
- Outer display (5.4″)
- Works normally
- Built with
- iOS 26.2 SDK
- Version 1.22.0, read Oct 31, 2026
- iPad version
- Yes
- Layout already handles big screens
- Latest version
- v1.22.0
- Oct 30, 2026
- Duo in release notes
- Not yet
About Mystery Town
Mystery Town is made by Cedar Games Studio and first came out on the App Store in October 2024. It has 18,640 ratings on the US App Store, averaging 4.9 stars. Version 1.22.0 came out on Oct 30, 2026 and needs iOS 15.0 or later. It's free to download. Among the 238 games we track on the US App Store, 34 already fill the inner display, 9 are partly adapted and 187 still show black bars. By number of ratings, Mystery Town is #174 of them.
From its App Store listing:
Embark on a mysterious investigation in Mystery Town: Merge Games！ Can you merge everything into better and more useful items to solve thrilling puzzles? In Mystery Town, every match counts! Uncover hidden secrets and discover that here, the right merge can change everything. Welcome to Mystery Town, where you can unlock new themed adventures every week—experience cooking delicious food, hunt for …
On the inner display
Apps built with older SDKs are placed in a phone-sized safe area on a black background. Everything works; you just don't get the bigger screen.
In Split View
iPhone Duo is the first iPhone that can show two apps side by side, and every app takes part — including Mystery Town. Open it on the inner display, then add a second app next to it. You can save the pair and come back to it later.
Duo-specific features
None confirmed yet. Duo-specific features include side toolbars, layouts that react to the fold, and content on the outer display while the app is open inside.
Evidence & history
App build,
Version 1.22.0 is built with the iOS 26.2 SDK
Apple runs apps built with the iOS 26 SDK or earlier in a phone-sized window on the inner display.
- : Not confirmed yet → Black bars — built with the iOS 26.2 SDK
Latest release notes
Version 1.22.0 · Oct 30, 2026
More exciting events will be launched one after another, stay tuned！
Questions
Does Mystery Town work on iPhone Duo?
It works, but with black bars. Mystery Town 1.22.0 is built with the iOS 26.2 SDK, so iPhone Duo runs it in a phone-sized window on the inner display.
Does Mystery Town work on the outer display?
Yes. iPhone Duo's 5.4-inch outer display behaves like a regular iPhone screen, so every iPhone app works there as usual.
Can I use Mystery Town in Split View on iPhone Duo?
Yes. On iPhone Duo every app can be placed side by side with another app on the inner display — developers don't need to opt in. How comfortable it feels at half width depends on the app's layout.
Why does Mystery Town have black bars on iPhone Duo?
Apps built with the iOS 26 SDK or earlier run in a phone-sized window on the inner display, and iOS 27 builds can still leave some space empty. The bars disappear once the developer rebuilds the app with the iOS 27.1 SDK — you only need to update the app.
When will Mystery Town fill iPhone Duo's inner display?
When its developer releases an update built with the iOS 27.1 SDK or later. We read the SDK of every new version of Mystery Town within about a day of its release and update this page.
What can I do about the black bars until then?
Use Mystery Town on the outer display, where it works like on any iPhone, or put it in Split View next to another app on the inner display so less of the screen goes unused.