Yes, a single Android developer can create an app, especially if it's a relatively simple project with basic features and functionality. However, more complex apps might require collaboration with other team members, such as UI/UX designers, backend developers, and QA testers, to ensure a seamless and high-quality user experience. Developing an app with a single developer might take longer than with a team, as the developer will need to manage multiple aspects of the project, such as design, development, testing, and deployment. However, hiring a single developer can be more cost-effective for small businesses or projects with limited budgets. It's crucial to ensure that the developer has the necessary skills, experience, and resources to successfully deliver the project within the desired timeline and budget.