The language of your Viki app is linked to your device language. In order to set your Viki app to your desired language, please follow these steps:
If you do not have another keyboard language installed
1. Delete the Viki app.
2. Go to your device's Settings > General > Language & Region
3. Change the iPhone Language to your desired language.
4. Download the Viki app again. This should change your Viki App language to your desired language.
If you have another keyboard language installed
1. Go to device's Settings > Viki
2. Change your Preferred Language
3. Relaunch your Viki app.
1. Go to your device's Settings > General Management > Language
2. Select your desired language, which will be used for your device's menus and stock apps.
3. Tap and hold the arrow icon of the language, then drag it to the top of the menu.
5. Quit and relaunch the Viki app. This step should change your Viki App language to your desired language. If the changes are not reflected, delete and reinstall the Viki app.