How to get BC service card app?

Can you please provide me with step-by-step instructions on how to obtain the BC Service Card app? I'm particularly interested in understanding the process, from downloading the app to verifying my identity and finally accessing the services offered. Is there a specific platform or device that I need to use? Also, how secure is the app and what measures are in place to protect my personal information? Lastly, is there a fee associated with downloading or using the BC Service Card app? Thank you for your assistance.