CHI 2021 Workshop on User Experience for Multi-Device Ecosystems: Challenges and Opportunities


1. Khalid Majrashi, Margaret Hamilton and Alexandra Uitdenbogerd. Cross-Device User Interactive Behavioural Patterns

2. Sarah Prange, Karola Marky and Florian Alt. Usable Authentication in Multi-Device Ecosystems

3. Craig Goodwin and Sandra Woolley. Sideloading behaviours and motivations in multi-device environments

4. Hui-Shyong Yeo, Juyoung Lee, Rohan Hundia, Woontack Woo and Aaron Quigley. WatchIoT: Pointing and Controlling Internet-of-Things Devices in Multi-device Ecosystem using Smartwatch's Side Camera

5. Leshao Zhang, Wanyi Yang, Xingchen Zhou, Yilun Wang and Ru Zhang. SDFMap: A tool for the Measurement of Service-Device Fitness in Multi-device Ecosystems

6. Muhammad Mehran Sunny, Moritz Berghofer and Ilhan Aslan. Towards Tool-Support for Interactive-Machine Learning Applications in the Android Ecosystem

7. Laura Ramos, Elise van den Hoven and Laurie Miller. Home-cooked reminder systems: Design to support home-based prospective memory for older persons, those with memory impairment and their carers

8. Xin Zeng, Xinyi Yang, Tengxiang Zhang, Yukang Yan and Yiqiang Chen. ScreenJump: An AR-facilitated User-centric Interaction System for Fine-grained Resource Manipulation Across Displays


We will have a half-day, online workshop. The date is Sunday May 9 13:00-17:00 JST (UTC+09:00) / 00:00-04:00 EDT / 06:00-10:00 CEST.

Schedule link:

Schedule (UTC + 09:00)Acitivity
13:00-13:05Welcome and introduction to the workshop

Keynote interview (chaired by Aaron Quigley)

Invited guests: Elisabeth André, SHI Yuanchun, Roel Vertegaal


Oral session 1 (chaired by Elisabeth André)

Paper 1-4


Oral session 2 (chaired by JU Ran)

Paper 5-8

16:00-16:30Case study, troubleshooting and idea sharing (chaired by Ilhan Aslan)
16:30-16:55Group discussion (Chaired by ZHANG Leshao)

  • CHI workshops will use Zoom (linked through Delegate Connect) as the platform.
  • To join the online workshop, prepare a PC with a browser (chrome, firefox, edge, etc.). Visit, and click on the 'Join Now' button on top of the page. Then, an online meeting window will show on the page. If you have the Zoom client setup up on your PC, you may also click on the 'Join Via Desktop Client' button to open a new window via the Zoom client.
  • To visit the main conference, visit
  • Each presentation will be limited to 15 minutes, including Q&A.
  • We recommend authors to access 10 minutes in advance in the virtual meeting room, to be able to check the technical details.
  • For system compatibility, we strongly recommend the use of a pdf format.
  • We recommend authors to create your presentation using a 16:9 ratio. Presentations using a 4:3 ratio will be played as is.
  • If you are using any audio or video content, we suggest downloading and/or embedding this into your presentation when putting it together.
  • All presentations will be deleted post-event. Copies of presentations can be requested directly from the authors.