: To fit the constrained screens of basic feature phones, sprites are compressed, textures are simplified, and resolutions are locked to standard mobile displays like 240x320 or 320x480 pixels.

: Official versions of Angry Birds were rarely released directly in .vxp format by Rovio. Most available .vxp versions found online today are unofficial ports or clones created for budget phones.

VXP games didn't require an active internet connection to function. Performance: Optimized to run on devices with minimal RAM.