HTC used to display a smartphone with a large screen in the series HDnya and for Android version with a screen that small is aga HTC Wildfire S with comparatively common specification but with 5 Mp resolution camera. HTC Wildfire S has been using the Android OS 2.3.3 Gingerbread with HTC Sense 2.1 UI.
HTC Wildfire S Specs
Quad-band GSM and dual-band 3G support
7.2 Mbps HSDPA, 384 Kbps HSUPA support
3.2 "256K-color TFT capacitive touchscreen of HVGA (320 x 480 pixels) resolution
Snapdragon MSM7227 600MHz CPU, Adreno 200 GPU, 418MB of user-available RAM
Android 2.3.3 (Gingerbread) with HTC Sense 2.1 UI
Wi-Fi 802.11 b, g, n with hotspot functionality
GPS with A-GPS connectivity, digital compass
5 MP autofocus camera, LED flash, geotagging and face-detection
VGA video @ 24fps
microUSB port (charging) and stereo Bluetooth v3.0
microSD slot (up to 32GB, 2GB in box)
Standard 3.5 mm audio jack
Accelerometer and proximity sensor
Gorilla Glass display
Stereo FM radio with RDS
Light and compact
Turn-to-mute, the lift-to-tone-down, fold for the speakerphone
Smart dialing
XviD video support
HTCSense.com integration
HTC Portable Hotspot
Ultra-fast boot times (if you do not remove battery)