Some errors and suggestions on this app

Hello:) while we use this application, we find some errors.

When we press the button to save DNA, the save pop-up appears, but it does not save at SavedDNA. Does this version not work because it's a beta version?
I- phone is IOS. Is this compatible with IOS?
To turn off the MusicDNA app while we are using other app, we should enter the MusicDNA app to stop singing. For better use, please create an x-mark on the top bar.
We've written a Korean-language version of 'how to use tutuorials', where can I add this?
We have translated the four files within the project: app/proguard-rules.pro_Korean.md., Gradle.properties_Korean.md., LICENSE_Korean.md., README_Korean.md, so where can we add these files?
We want to add Korean-language to this app, but we don't know the code well, so if our translations are helpful for people, can we took a picture of the screen which are translated into Korean? Also, If it helpful, we'll send you a translation document or upload it.
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^_____^ Thanks for your contribution to make this app better. Thank you and we are expect you to modified these errors. Have a good day!

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