The OCR feature in OkiOki supports other languages. Recognizing and reading receipts or invoices in other languages should therefore not be a problem. Be sure to try this out.
Currently, you can also edit the date of the invoice, the amount, the name of the counterparty and the invoice number or structured message. This article elaborates on how you can do so. If you see a mistake there, you can always correct it yourself. Soon you will also be able to edit all metadata of an invoice or receipt.
Are you still experiencing problems with receipts or invoices in other languages? Please don't hesitate to contact firstname.lastname@example.org.