Lemuroid

All in one emulator on Android!

Mobile App DevelopmentKotlinGPL-3.0

Abstract

Lemuroid is an open-source Mobile App Development project. All in one emulator on Android!. Lemuroid is an open-source emulation project for Android based on Libretro. Its main goal is ease of use, good Android integration and a great user experience. It is built using Kotlin, Android. Key capabilities include: Android TV support; Automatically save and restore game states; ROMs scanning and indexing. The complete source code is publicly available on GitHub under the GNU General Public License v3.0, making it a useful reference for students building a Mobile App Development mini project or final-year project.

1. Introduction

Lemuroid is an open-source emulation project for Android based on Libretro. Its main goal is ease of use, good Android integration and a great user experience.

It originated from a rib of Retrograde, but graduated to a standalone project integrating LibretroDroid.

2. Objective

All in one emulator on Android!

This project demonstrates how Kotlin, Android can be applied to a real-world Mobile App Development problem.

3. Key Features / Modules

  • Android TV support
  • Automatically save and restore game states.
  • ROMs scanning and indexing
  • Optimized touch controls
  • Quick save/load
  • Support for Zipped ROMs
  • Display simulation (LCD/CRT)
  • Gamepad support
  • Local multiplayer
  • Tilt input

4. Technology Stack

KotlinAndroid

5. System Requirements

General requirements for this technology stack — check the README for exact versions.

  • Android Studio (latest)
  • JDK 17
  • Android device or emulator
  • Git (to clone the repository)

6. Installation & Setup

git clone https://github.com/Swordfish90/Lemuroid.git
cd Lemuroid

Full setup instructions are in the project README.

7. Future Enhancements

Suggested extensions you can add to make this your own project.

  • Add push notifications with Firebase Cloud Messaging
  • Add offline support with local caching
  • Publish an internal test build on the Play Store

8. Viva / Review Questions

Common questions examiners ask for projects in this domain.

  1. Which framework is used and why (native vs cross-platform)?
  2. How is app state managed across screens?
  3. Where is the data stored — locally, Firebase or a REST backend?
  4. How are permissions (camera, location, storage) handled?
  5. How would you publish this app to the Play Store / App Store?

9. Source Code & License

This project is developed by Swordfish90 and published on GitHub under the GNU General Public License v3.0. Please follow the license terms and credit the original author when you use or modify this code.

View Source on GitHubDownload ZIP

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