Improved the alpha a little:
Added a params lib +usage, plus scan feature:
Added file listing as in ls command:
File download by specifying full path to file (veeeeery time consuming if your folder has a lot of files, like Whatsapp, cause mtp has to poll each file to fetch the name):
File download by handle/object ID, which works much faster because it’s like having a direct access to a file pointer:
No file upload yet 
, still in the works.
Still working with my device & hardcoded values, until I find a way to configure another device easily from the scan values and/or probe devices to ease the process.
Need to polish this a little with other of my devices before involving the iPhones :P.