Desktop controls

• Left paddle: W / S
• Right paddle: ↑ / ↓
• Launch: Space
• Pause/Resume: Pause button or Space
• Return to Title: R
• Toggle sound: M

Mobile controls

• Move paddles: drag left/right half (multi-touch supported - use both thumbs!)
• Launch: double-tap
• Pause: Pause button
• Toggle sound / Return to Title: Use pause screen options