Again with these oddly written questions and the "xD"…

Cream and Vanilla do appear in Archie Sonic. They made their debut in 2010 with #217.

... No, Vector does not have a crush on Vanilla in Archie Sonic.

Cream and Vanilla do appear in Archie Sonic adapts Sonic Advance 3. They made their debut in 2005.

^ None of them did.

Cream and Vanilla debuted in the main series with #217. Cream's IATIAP debut happened in #230. Have you even read Archie Sonic?