The two 3DS entries are considered the peak of digital Vanguard gaming for the era:
Despite the franchise’s global popularity, the developer FuRyu remained focused on the Japanese domestic market for their handheld releases [15]. If you are looking to play these on your 3DS, here is the breakdown of the situation and how fans typically navigate it. The 3DS Library (Japanese Only) cardfight vanguard 3ds english rom
This is the first fully official, globally released digital Vanguard game featuring an official English localization. It utilizes modern "Overdress" and "Will+Dress" era rules. The two 3DS entries are considered the peak