I have made several VUI (Voice User Interface) apps for Google Home and Amazon Echo in the last couple of months.

Those apps are for Japanese market and the conversation was designed in Japanese.

Recently my colleague and I started thinking of creating an universal app which works both in Japanese and English.

We then found translating a VUI app is more difficult than translating a mobile app (we are iOS/Android app developers too.)

We have sorted out what are the major possible issues when translating a VUI app from Japanese to English, and from English to Japanese.

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Taka Mizutori

Founder and CEO of Goldrush Computing Inc (https://goldrushcomputing.com). Keep making with Swift, Kotlin, Java, C, Obj-C, C#, Python, JS, and Assembly.

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