There's (fittingly) a new trailer for the Switch port out:
Siliconera also has the details - Here’s the details for the Switch version:
- Supports 1 – 2 players (offline)
- New ship damage system (uses health bar, not lives)
- 3 distinct ships with different Defense, Mobility, and sub-weapons
- New “Cheer Attack” that greatly boosts sub-weapons for a short time
- Voice Acting for the first time in the series
- Director’s Cut exclusive levels
Languages: English, Japanese, Simplified Chinese, Traditional Chinese