HUNTINGTON, W.Va. (AP) — A history app founded by Marshall University has received a nearly $100,000 grant from the National Endowment for the Humanities to improve accessibility for users who are visually impaired.

The app, called Clio, allows educators and cultural institutions to design mobile tours for exploring historic and cultural sites. It uses GPS to provide users with information and photos. It also allows them to hear interviews and experience walking tours of historic sites.

Clio founder David Trowbridge is an associate professor of history at Marshall. The funding will allow Trowb...