Games v3.2
Does SUMEE! work on iPhone Duo?
Yes. SUMEE! is built for iPhone Duo — it runs full screen on the 7.6-inch inner display and adapts its layout for the fold.
At a glance
- Inner display (7.6″)
- Built for Duo
- Outer display (5.4″)
- Works normally
- Built with
- Not read yet
- We read each app's build SDK after it updates
- iPad version
- Yes
- Layout already handles big screens
- Latest version
- v3.2
- Nov 2, 2026
- Duo in release notes
- Mentioned
About SUMEE!
SUMEE! is made by Getzemani Cruz Garcia and first came out on the App Store in June 2026. It's #31 on today's US App Store top charts. It has 311 ratings on the US App Store, averaging 4.8 stars. Version 3.2 came out on Nov 2, 2026 and needs iOS 18.0 or later. It costs $1.99.
From its App Store listing:
SUMEE! turns your iPhone into a complete portable gaming system for organizing, customizing, emulating, and enjoying compatible retro games all in one place. Designed for both handheld and big-screen play, SUMEE! is especially focused on users who play with a game controller and connect their iPhone to an external display via HDMI or AirPlay. SUMEE! supports compatible files from multiple classic …
On the inner display
The app reaches the edges of the inner display. Text and controls stay a comfortable size instead of being blown up.
In Split View
iPhone Duo is the first iPhone that can show two apps side by side, and every app takes part — including SUMEE!. 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
Release notes,
Release notes for version 3.0.9
Support for iPhone Duo has been added.
App Store,
App Store listing has screenshots made for iPhone Duo
The developer published 5 screenshots for iPhone Duo’s inner display.
- : Not confirmed yet → Built for Duo — release notes for 3.0.9 say it supports iPhone Duo
Latest release notes
Version 3.2 · Nov 2, 2026
RetroAchievements • Added RetroAchievements support for Wii and GameCube games. Friends App • Introduced a new interface for the Friends app. Wii Improvements • Fixed issues with virtual controls. Custom control configurations are now saved correctly. Nintendo DS Improvements • Improved game loading in the NDS core, reducing crashes. Nintendo 3DS Improvements • Added the ability to import and export game save files. Bug Fixes • Fixed several bugs and stability issues.
Questions
Does SUMEE! work on iPhone Duo?
Yes. SUMEE! is built for iPhone Duo — it runs full screen on the 7.6-inch inner display and adapts its layout for the fold.
Does SUMEE! 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 SUMEE! 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.