App Interface Guideline: Touch — Touch Spacing. Keywords: touch spacing gap 8px. Platform: iOS/Android/React Native. Description: Adjacent touch targets need enough spacing. Do: Keep at least 8dp spacing between touchables. Don't: Cluster many buttons with no gap. Good Example: <View style={{ gap: 8 }}><Button ... /><Button ... /></View>. Bad Example: <View><Button ... /><Button ... /></View>. Severity: Medium.