The OK State Parks Official Guide is a free Android application developed by Oklahoma Tourism and Recreation Department. It is a travel and navigation app designed for those who want to explore Oklahoma's 30+ parks. The app includes maps of park-sanctioned trails, information on nearby parks, a feature to save favorite parks, and a calendar of park events. Additionally, users can link to external resources like volunteer opportunities and more.

The app provides a digital hub to help users navigate through Oklahoma's biodiverse park system. It is easy to use and provides a comprehensive guide to the state's parks. The maps of park-sanctioned trails are particularly useful for hiking enthusiasts, and the feature to save favorite parks is a convenient tool to keep track of favorite locations. The app's integration with external resources is also a great feature for users who want to get involved with volunteer opportunities. Overall, the OK State Parks Official Guide is a great tool for exploring Oklahoma's state parks.