I'm new to all this, I want the absolute best flash cart for playing my No-Intro DS games on my New 3DS and had this flash cart lying around, should I use
R4 Gold Pro DS Memory Card Pre Configured Game Flashcard for NDS, 3DS + 32GB | eBay
R4 Games Free Download Website | Nintendo R4 Card Download | R4 Nintendo 3ds 2021 Card - Accessories - Aliexpress
Gateway Flash Card Red and Blue Nintendo DS 3DS Cartridge OnlyのeBay公認海外通販|セカイモン
Electronic Machine Game Parts Dsone Portable Game Flashcards Nds Ndsl 3ds 3dsll R4 Flash Card Memory Readers - Memory Cards - AliExpress