The program, which can be installed at mobile phone and tablet computer, consists of more than 600 publications, ranging from socio-political to cookery and science and technology books.

Its developer Ryu Jong Hak told KCNA that it is in great demand from among the people.

Rim Chun Wol, a citizen living in Tongdaewon District, Pyongyang, said it greatly helps readers deepen their knowledge and common sense.