Can refer to either Wordpad 2, or Wordpad 7, being interactive hand-held devices used by students to access Wordwalls.

Wordwall Goes Browser 

Wordwall has just announced the release of a subscription access to their popular Wordwall activities. Now students can access Wordwall activities from any browser-capable device. To complement the service, Wordwall is introducing new Android based devices pre-loaded with Wordwall subscriptions…..