NOTE 2 - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES: RESEARCH AND DEVELOPMENT (Details) - USD ($)	3 Months Ended	9 Months Ended
Jan. 31, 2020	Jan. 31, 2019	Jan. 31, 2020	Jan. 31, 2019
Details
Research and development included in general and administrative expenses	$ 633,668	$ 317,876	$ 1,279,620	$ 699,533

Represents the monetary amount of Research and development included in general and administrative expenses, during the indicated time period.

No definition available.

Name:	fil_ResearchAndDevelopmentIncludedInGeneralAndAdministrativeExpenses
Namespace Prefix:	fil_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration