uCirrus, a platform technology startup, has raised $1.7 million of an expected $4.4 million equity round, according to a filing with the SEC. Based in San Mateo, Calif., the software company recently launched a new platform for MySpace game developers that brings push technology — a way to more efficiently deliver updated information and functionality — to Flash games. Rob Trice of SK Telecom Ventures and Mike Hodges of ATA Ventures are investors in the company, which was formerly known as Groovy Corporation.