Usability
Interface 
User-friendliness/complexity of the tool´s interface
Straightforward, easy to use.
Time efficiency Time needed for mastering the „how-to“ of the tool and a production of a task
High.
Interface language(s) The number of languages in which the tool is currently available/adaptable to
English.
Respect for privacy Does the tool require registration? Who can see my data? Can I remain anonymous?
High. PickerWheel does not ask for any personal data, but collects cookies with user content. User data is used for operational purposes and stored only until necessary for that. It has security measures in place, including the use of SSL encryption. It does not willingly collect information from anyone under 13 years of age. It acknowledges users’ rights to access, rectify, delete, and object to processing. PickerWheel complies with GDPR. See more here.
Saving work for future use Possiblity to save your or others´ work for reuse/reproduction
No.
Tailorability (If so, how?) Possibility of the tool to be used for a range of different activities (e.g. to what extent you can organize a project assignment with a central activity based on this tool)