• Added file properties tab for image, audio, video and APK files.
• Added showing file count and content for folders in file properties.
• Added Spanish, Basque, French, Dutch, Portuguese (Portugal) and Vietnamese translations.
• Changed file name sorting to use Unicode Collation Algorithm for better results.
• Changed search to show files directly under the current folder first.
• Source code has been rewritten in Kotlin.
• Other fixes and improvements.