|Samsung Galaxy Spica|
|Model Number: GT-I5700|
"Odin" v4.03 (+ spica_jc3.ops file) works. User guide (Open "How-to Guides" then "How to flash to Android 2.1").
A stable version of Android v2.2 is available from the community of Samdroid web site. Also, there is some development going on for Android 2.3, done by tom3q.
Adobe Flash player
Flash player v1.01 is not compatible with i5700, even with firmware 2.2, because Flash 10.1 also requires ARM v7 CPU and Spica only has ARM v6 (source).