Function 1: support the playback of local MP4, flv and other formats, and support the drag fast forward function; Function 2: support the audio playback management of local MP3, conventional recording and other formats; Function 3: support the reading of local large text txt files and the setting of page turning, background and font size; It has the function of automatically dividing the chapter directory and memorizing the page numbers, so you can continue to read the last time next time; Scrolling and flipping are not supported; Function 4: support the management of local software uninstallation and deactivation, and do not support the installation of software; Function 5: support global data refresh in the drop-down of the file management card page; Function 6: support the clearing of memory resources occupied by some software background; Function 7: support the view of watch battery health and basic watch information; Function 8: support the setting of filter image and text type; F unction 9. Long press the file to delete the file (special note: the interface of playing the video again, and sliding up and down on both sides can adjust the volume and brightness)
