Tobu World Square is more and more Muslim-friendly park.
Tobu World Square, located in Nikko, Tochigi Prefecture, is a miniature theme park with reproduction of 102 famous buildings of the world including 46 world heritages. It is a popular tourist attraction in Japan which allows visitors to travel around the world in one day.
http://www.tobuws.co.jp/en/
The following prayer space became available in December 2015.