Depending on the device you are using and the browser you have as your default there are some differing settings you may need to change. Other customers have had success with the following troubleshooting steps.
We have found that this app launched best in either Chrome or Firefox.
1 - When the profile URL opens in Firefox, tap on the 3 dots up on the right, choose open in-app.
2 - Settings -> Apps -> default apps -> opening links -> scroll down to IKAWA and open it -> click the checkbox for "share.ikawa.support".
You can also access our Android Recipe Library