TipVue, essentially the Tip Calculator example app included with Xojo, was submitted to the App Store a little over a week ago. It was just approved by Apple today and is now available in the App Store.
TipVue on the Apple App Store
It's free and should be appearing in all countries throughout the day.
The great news as it proofs that an Xojo made app can pass the review and made available on the store. Now it's up to you to make more apps with Xojo!