Super Mario Advance is actually the sequel of Super Mario Bros. (on NES) and ported, enhanced remake edition of Super Mario Bros. 2 (on SNES, released in Super Mario All-Stars) only released for Game Boy Advance handheld game console in 2001. It came with many new elements, improved graphics & sound, and additional features.
VBA-M (short for VisualBoyAdvance-M, AKA: VisualBoy Advance Merge) is free, open-source and cross-platform emulator for Game Boy series of game consoles (GBA, GBC, GB) made by a team of amateurs from Italy. It came with improved compatibility and features integrated from various builds based on the classic VisualBoyAdvance.
Castlevania: Harmony of Dissonance (ANA: Castlevania: Byakuya no Concerto, キャッスルヴァニア 白夜の協奏曲, Kyassuruvania Byakuya no Koncheruto, Castlevania: Concerto of Midnight Sun) is the 2nd work of Castlevania series on the Game Boy Advance platform, released by KONAMI in 2002. Meanwhile, it is also the first Castlevania game that was called "Castlevania" in Japan instead of "Akumajō Dracula".