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An Xposed module to set language on a per-app basis
Xposed App Locale allows user to set language on a per-app basis
Note
root and Xposed Framework required
Credits
The Xposed mod code is based on rovo89/XposedAppSettings (https://github.com/rovo89/XposedAppSettings)
Source Code
https://github.com/jiefoxi/XposedAppLocale
License
Apache License, Version 2.0