Added support for audio playback of MKV files.

This update from Apple will improve the functionality of this app. No new features are included.

- iPhone X improvements
- Bug fixes

- Bug fixes
- Please use the DropBox "Open in" feature to import audio files from DropBox

Bug fixes

- Fixed "Open in" problem with latest iOS versions.

Bug fixes.

- Improved song import from music gallery.
- iOS 8 bug fixes.

- User interface improvements.
- Fixed looping bug.

- Fixed: Crashes with some files (for instance large or corrupt files).
- Added: Support for more audio input formats.
- Improved performance.

- Added "Open in" option to share audio files with other apps.

- Fixed problem where some audio files emailed with MSC could not be opened.

Bug fixes

- Added support to email audio files
- Added support to import audio files from Dropbox

iOS 7 / iPhone 5 bug fixes

- Bug fixes for iOS 7

Added support to open/import audio files from external apps ("Open with...") to MSC

Bug fixes

- Fixed crashes

- Added voice reduction (under "Settings")

- Bug fixes

- Added HQ mode (under "Settings"). This mode can create distortions with extreme tempo and pitch settings and is only recommended for iPad 2/iPhone 4 and newer.

- Improvements for older iOS devices (iPhone 3GS and iPad 1)

- Bug fixes

- Added support to play music in background

- Added support under "Settings" to play left/right channels separately (for instance useful for guitar duet practicing)
- Added option to amplify volume of audio samples (under "Settings" - "Amplify volume")

- Added A/B buttons to set start and stop positions during playback