Note 3. Summary of Significant Accounting Policies: Financial Instruments: Fair Value, Assets Measured on Recurring Basis (Details) - USD ($)	Apr. 30, 2021	Apr. 30, 2020
Fair Value, Inputs, Level 1
Derivative Liability, Fair Value, Gross Asset	$ 0	$ 0
Derivative Liability, Fair Value, Amount Not Offset Against Collateral	0
Convertible Promissory Note	0
Fair Value, Inputs, Level 2
Derivative Liability, Fair Value, Gross Asset	0	0
Derivative Liability, Fair Value, Amount Not Offset Against Collateral	0
Convertible Promissory Note	0
Fair Value, Inputs, Level 3
Derivative Liability, Fair Value, Gross Asset	910,511	1,657,217
Derivative Liability, Fair Value, Amount Not Offset Against Collateral	1,657,217
Convertible Promissory Note	910,511
Derivative Liability, Fair Value, Gross Asset	910,511	$ 1,657,217
Derivative Liability, Fair Value, Amount Not Offset Against Collateral	1,657,217
Convertible Promissory Note	$ 910,511

Fair value, after offset of derivative asset, of financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, elected not to be and before offset against a right to receive collateral under a master netting arrangement. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=121590274&loc=d3e41678-113959

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
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-URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226006-175313

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313

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