Here’s a clear guide covering the key points about — specifically for the hShop (3DS) and the concept of “repack” (which usually refers to pre-packed encrypted CIAs or the hShop’s own file structure).
On mobile devices, iOS (Apple) and Android have strict policies about what can run in the background. Apps usually need user permission and specific settings adjustments to perform background updates or downloads.
: Press Y on a title to add it to your download queue.
: 3DS hardware is limited by slow write speeds (~1.5 MB/s). Even if the download itself finishes quickly, the "installing" phase can take a long time, especially for large titles.