GROUP PROJECT

Neko Launcher

A Minecraft desktop launcher built with React and Tauri / Rust. My engineering scope included the application and file-integrity checks.

My role: Engineer
Original project period: Nov 2020 — Oct 2022

Built with Michitta .

Product & context

The launcher is for Minecraft players selecting servers and managing their game setup. The supplied UI 5 designs cover downloads, configuration, profile settings, and an in-game overlay.

My responsibility

Built with Michitta. My contribution here is the engineering work; install and retention figures describe the shared product.

Launcher & in-game overlay

Neko UI 5 · Design previews · Russian UI

Neko UI 5 launcher design: a Minecraft server page, server switcher, Play action, update status, and bottom navigation. — Launcher
Server selection, game version, and player count alongside launch and update controls.

Neko UI 5 download manager design showing an active download, package progress, download speed, queued items, and cancel actions. — Downloads
An active transfer and queued downloads, with progress, speed, and cancellation controls.

Neko UI 5 game settings design with a download folder, RAM allocation slider, game window settings, client logging, and developer mode. — Game settings
Game folder, RAM allocation, window settings, and client logging.

Neko UI 5 personalization design with background color swatches and a custom background image link. — Personalization
Background color presets and a custom background image.

Neko in-game overlay design showing a world map above Minecraft gameplay, map controls, a dismissal hint, and bottom navigation. — Overlay map
The world map above gameplay, with navigation for the clock, store, and settings.

Minecraft gameplay with a compact Neko Land notification in the lower-left corner introducing the in-game overlay and its Alt + X shortcut. — Overlay prompt
An in-game prompt showing the Alt + X shortcut for opening the overlay.

Group-project outcomes

300organic installsShared-product adoption

70%first-week retentionProject-reported result

<2slaunch timeReported measurement

Install and first-week retention figures are project outcomes. Launch time is a reported performance measurement.

My engineering work

Web UI with a desktop foundation

Built the React / Tailwind interface on Tauri and Rust. The application stack included tRPC and TanStack Query for frontend/server-state work.

Local-file integrity

Implemented checksum and signature validation around the files being launched. This work addressed file integrity alongside startup performance, rather than treating the launcher as only a web interface.

Results in context

Checksum and signature validation was associated with an approximately 90% reduction in exploiters. This is the reported project result, not a guarantee against every form of tampering.

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