First of all go to the home screen of kika app as shown like below...Next you will see settings button at the bottom right corner of screen...click on it..
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After opening settings, you will see a list of multiple options. Find the option named as "Language" as shown in the below image..
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Click on it and then you will see a large list of different types of languages..
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Choose a language of your choice from the list by scrolling down...For example i have chosen "Deutsch" by clicing "ADD" written infront....
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and it is added just like below image...
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Finally you can check it in your typing keyboard...
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You can see that it is showing to swipe to change language...after swipe language will be changed...it is shown below...
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