Matrix screensaver

Aug 12, 2018

New features:
+ Added background colours (requested feature!)
+ Background can be coloured by battery percentage
+ It is now possible to change the character set that is used (requested feature!)
+ Particle head brightness can now be changed
+ You can now send me donations so I can keep the apps free

Changes and fixes:
* Fixed a couple of textual errors
* Fixed a couple of minor bugs on some devices
** Fixed major crash introduced in update 1.5