The searcher wants a pre-patched, ready-to-run file of Rune Factory 4 with Japanese voices, playable on a PC or Android emulator.

features a deep, three-part story centered on the town of Selphia and its guardian dragon. You play as a protagonist (Lest or Frey) who falls from an airship, loses their memory, and is mistakenly tasked with acting as the town's royalty. The Three Story Arcs

: This modification replaces the English voice-over files with the original Japanese audio while keeping the English text and menus intact.

The game features real-time battles where players can explore various dungeons, fight monsters, and collect valuable items. The combat system is fast-paced and requires strategy to overcome the diverse range of enemies.

The “-Reg...” likely refers to a “Regular” or region-free version (e.g., USA or EUR), or is simply a truncated filename from a ROM site.

The easiest way to play a "Decrypted" ROM is via the Citra emulator.