PhiStudio

PhiStudio is a native, touch-first Android chart editor for RPE and compatible rhythm-game chart packages. It runs directly on Android without Winlator or bundled Windows executables.

Features

• RPE chart editing for notes, judge lines, BPM changes and events.
• Storyboard event editing.
• Import and conversion of RPE, official Phigros and legacy PEC charts.
• Local project library with explicit Save and package export.
• Native audio-synchronized preview.
• Large-chart memory and playback optimizations.
• Preservation of unsupported JSON fields and safe unknown package entries.

Requirements

• Android 8.0 (API 26) or newer.
• Landscape orientation.

Build

The project requires JDK 17 and Android SDK 35.

./gradlew clean testDebugUnitTest lintDebug assembleDebug

The debug APK is written to app/build/outputs/apk/debug/app-debug.apk.

Installation

Download the APK from the GitHub Releases page and allow installation from your browser or file manager. Back up important projects before editing them with a new release.