鉄道運行管理シミュレーション: [Update v1.4] Scoring Mode, Hold-Type Signaling, and UX Improvements

Update v1.4 is live! This release adds the new Scoring Mode, a Hold-Type signal handling option, and several UX improvements. 🎮 Scoring Mode ・Choose between "Sandbox" and "Scoring" mode on the map selection screen ・Ear…