Note 8 - Amount Due From/(to) Related Parties: Due From Related Party (Details) - USD ($)	Jul. 31, 2016	Apr. 30, 2016
Amount due from a related company	$ 3,202,689	$ 3,235,344
Amount due to a related company	1,982,791	2,000,813
Shanghai Huili Telecommunications Co., Ltd
Amount due to a related company	0	28,771
REDtone Technology Sdn. Bhd.
Amount due from a related company	3,202,689	3,235,344
Redtone Telecommunications Sdn Bhd
Amount due to a related company	223,778	173,409
Non-controlling interests
Amount due to a related company	$ 1,759,013	$ 1,798,633