nds-bootstrap introduce a dldi driver and an arm7 patcher allowing to have some dldi compatibility without flashcard and without recompilation of homebrews. The compatibility is not yet perfect.
Changelog : compatibility and stability increased
Extract the zip at the root of your sdcard
It can be configured via the file _nds/nds-bootstrap.ini
I recommand to use a frontend menu to avoid manual ini file modification : nds-hb-menu have just been updated.
https://github.com/ahezard/nds-hb-menu/releases