iOS and iPadOS only: these are native Swift / SwiftUI apps. Android is not included and not supported.

What it does

• DuoKit posture system (closed / open / half-folded laptop)
• Fold-aware split layouts
• Duo inner-display size-class fix
• Universal iPhone + iPad targets
• Retro handheld console shell with 4 original built-in games
• Framebuffer game host, pixel font, chiptune audio, per-game high scores
• D-pad / face buttons multi-touch surface, shell themes and LCD modes
• Cassette deck playing the user's music library (albums and playlists as tapes)

You need

• macOS with Xcode 27.1 (iOS 27.1 SDK)
• Minimum deployment target iOS / iPadOS 26.0
• Swift language mode 5
• XcodeGen (tested 2.45.2) to generate DuoApps.xcodeproj
• Apple Developer Program account to run on device and publish