JINGO
"Shared shopping trolley system provided at large shopping centre helps the elderly to reduce the difficulties from carrying heavy stuff and improves their mobility."
The video can be watched from : https://www.bilibili.com/video/BV1s7411b7mC or https://www.youtube.com/watch?v=yoR2vxt2nx8&t=4s
These are stage one user-interface.
These are stage two user-interface.
