I've been trying to lose weight and get in shape recently.    But I have always felt like exercise was boring. So I've been on the lookout for anything that can make working out more interesting or fun. So I thought I'd try out the Gixo Fitness App.        What is it?    It's an app that has live workout classes throughout the day. These are all led by a trainer and you can sign up for one as late as a few minutes before a class starts. I think that's wonderful because many of us are busy and it can be hard to fit working out into our schedules. But this way, you don't have to worry about it so much. If you happen to find that you have some extra time on your hands, you can fit in a class.    You have to decide if you want to activate your phone's camera or not so the trainer can see you. It helps a lot if they can see you so they can give you tips on how you're doing. And if you do decide to use the camera, the other people in the class won't be able to see you, so you don't have to worry about that. But…