Here's their twitter account: twitter.com/scorecenter
And here's ESPN's contact site: https://r.espn.go.com/members/contact/index
Start bombarding them with requests for an Android Scorecenter. Throw in a few online articles about how fast Android is growing. Last time they commented on Android a couple months ago, they said they were "evaluating" the Android platform. Give them something to evaluate.
UPDATE: ScoreCenter has landed on Android. Told you we could do it.