Android and iOS are the two most widely used mobile operating systems. Android is developed by Google and is used by a wide range of devices from different manufacturers. In contrast, iOS is developed by Apple and is exclusive to their devices, such as iPhones and iPads.

Regarding virtual reality, Android and iOS platforms have played a significant role in expanding the reach and accessibility of VR technology to a broader audience.

Here are some key points on how they are helpful in virtual reality:

Mobile VR: Android and iOS platforms have enabled the development of mobile VR headsets, such as Google Cardboard and Samsung Gear VR. These are affordable and accessible ways for users to experience virtual reality.

VR apps: Both platforms offer a wide range of VR apps that can be downloaded and used on mobile devices, allowing users to explore educational and professional VR experiences on the go.

Integration with VR hardware: The platforms have integrated with VR hardware, such as sensors and controllers, enabling users to interact with virtual environments more effectively.

Development tools: Both platforms offer development tools and resources for VR app developers, making it easier for them to create and distribute educational and professional VR experiences. 

Android and iOS have played a crucial role in democratizing access to virtual reality technology. Their continued development and support of VR will significantly impact the future of education and professional training.