From the owner and developer of TikTok and CapCut, Hypic is a photo editing app that many people use on their phones, and there are plenty of reasons why it's a favorite.
RAW is a popular image format when taking pictures, providing high image quality and sharpness. However, you need a dedicated software to open it. And Darktable is the ideal free option.
So Fotor would be the ideal choice for you. This tool is completely free, supporting brightness adjustment, contrast, white balance and color saturation of the image.
You are not proficient in Photoshop but are you in need of some photo editing before sharing to your friends and loved ones?