Imageboard media grab 2.3

- supported Android platform versions: Android 7.0 and above - scanning threads from boards like: 2ch and mirrors, 2chan, 4chan, kohlchan, reinchan, arhivach - divide media by types and download them - downloading media thumbs for quick preview - media preview support using system app - downloading selected media - auto refreshing content in preview mode and in background - traffic control (restrict mobile data download or not) - downloading in background - saving data to user located path - system notifications - indicates total traffic about all time - detailed errors reporting