Blur Face

1. AI Face Detection - Auto-detect and blur faces using ML Kit 2. Multiple Effects - Blur, mosaic (pixelate), or black square censoring 3. Manual Drawing - Draw custom blur zones with adjustable brush size 4. Eraser Tool - Remove blur effects from areas 5. Undo History - Up to 5 undo steps 6. Apply to All - Apply selected effect to entire image 7. Save to Gallery - Save edited images to device gallery