To create a photo collage, open the app and select the 'Collage' option. Choose your desired layout, then upload your photos. Adjust them as needed, and finally save or share your collage.

Photo Lab offers a wide variety of filters, including artistic styles, black and white, and color enhancements. You can easily browse the filter categories and preview them before applying to your selected photo.

To add text or stickers, select the 'Text' or 'Stickers' option after choosing your photo. You can type your message, choose fonts, and adjust sizes. For stickers, browse through the options and place them on your image.

Yes, you can customize effects in Photo Lab. After selecting a filter, use the adjustment sliders to modify intensity, brightness, and contrast. This allows you to create a personalized look for your images.

To save or share your edited photos, tap on the 'Save' or 'Share' button after editing. You can choose to save it to your device or share it directly through social media apps or messaging platforms.