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CompanionOctober 21, 2026

Sephiria Companion

A second-screen companion for the PC game Sephiria that shows a live HUD, floor map, backpack and combo tiers on the AYN Thor's second display. English and Russian interface.

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Description

Sephiria Companion is a second-screen companion for the PC game Sephiria, built and tested on the AYN Thor. The game runs on the PC as usual, while the handheld's second display shows a touch interface driven by the running game's live state: health, mana, currency, experience, the floor map, the backpack and combo tiers. Other dual-screen Android handhelds may also work with a compatible PC game build running locally.

The project has three parts: a C# AddOn that runs inside the game and reads its live state, a local HTTP/event server that streams that state over localhost, and an Android WebView app that renders the companion interface on the second display. The interface supports English and Russian; item names and descriptions follow the game's language.

Features

  • Live HUD — health, mana, currency, experience, dashes and potions, with Overview and Skills & effects pages and a room minimap.
  • Floor map — revealed rooms with an animated current-room highlight; tap a revealed room to travel, drag to pan the map, and use the zoom controls.
  • Backpack — a 24-slot grid with drag and drop between cells, tablet rotation, and visible bonuses and penalties; tap an item for its effects and conditions.
  • Combo tiers — artifact combos with levels; tap or hold a combo to view all its tiers.
  • Bilingual interface — English and Russian UI; item names and descriptions follow the game's language.
  • Live connection — the AddOn streams the running game's state to the companion over localhost, with a connection indicator and a Refresh button.

Requirements

  • Android 8.0 or newer on the handheld.
  • A compatible PC version of Sephiria with its built-in AddOn loader.
  • The game runtime and the Android app must share localhost networking.

Setup guide

  1. Download the latest release from the Releases page: SephiriaCompanion-<version>.zip (the complete package with AddOns, APK and bilingual instructions) or the standalone SephiriaCompanion-<version>.apk.
  2. Copy the release archive's AddOns folder into the game directory, next to Sephiria.exe.
  3. Install SephiriaCompanion-.apk on the handheld.
  4. Start Sephiria, load a save, open the companion and tap Refresh.

Restart the game after replacing the AddOn. The current release is 0.4.2.