However, the discussion around "Angry Birds DS ROM" raises legal and ethical considerations. Distributing or downloading commercial game ROMs without permission violates copyright law in many jurisdictions. While making a personal backup copy of software you legally own can be permitted under some laws, sharing or obtaining ROMs from unauthorized sources undermines developers' rights and revenue. For legacy titles no longer sold or supported, preservation advocates argue for lawful archival solutions and re-releases; rights holders can also make older games available via retro collections or digital storefronts, providing legitimate access.