Yes, it's possible to target mobile operating systems when promoting gambling offers. Many ad networks give the option to choose between Android and iOS, or even go deeper into versions, screen sizes, and devices. This helps you focus on users who are more likely to take action. For example, if you notice that most of your conversions come from Android users, you can shift your budget toward Android traffic. Targeting by OS also lets you design landing pages or creatives that match how users interact with their devices. Some offers even perform better on certain systems due to easier app installs or faster loading times. It's a smart way to fine-tune your traffic and spend less on users who may not convert. What kind of results do others see when targeting by OS?