The text you provided appears to be a typical title for a download page for for the Nintendo Switch, specifically for obtaining the game's ROM files (NSP or XCI formats) along with its DLC and updates.
Approximately 2.9 GB to 4.1 GB depending on the version and included updates. Key Updates and DLC Azure Striker Gunvolt 3 Switch NSP/XCI [DLC/Upd...
You can purchase and download the game and its official DLC directly from the Nintendo eShop . The text you provided appears to be a
A free demo is available on the eShop that includes the opening stage and the first mission, with progress carrying over to the full version. Azure Striker Gunvolt 3 Switch NSP/XCI [DLC/Upd...
Azure Striker Gunvolt 3 has received significant post-launch support: Product - Azure Striker Gunvolt 3 Official web site