samsung today revealed its four smartphones like samsung galaxy Ace S5830, Galaxy Gio S5660, Galaxy Fit S5670, Galaxy Mini S5570 with android OS and also with TouchWiz UI which all are next to samsung galaxy s runing android os. All these smartphones run android 2.2 froyo OS. Samsung Galaxy Ace is a mid-range phone with 3.5 inches screen size, HVGA tft-lcd and 800 MHz processor.
The next phone samsung galaxy gio is of 3.2 inches screen size with HVGA TFT-LCD, 800 MHz processor which is much similar to Galaxy Ace. Galaxy Fit and Mini are at entry-level where Galaxy Fit is 3.3 inches screen size with qvga TFT-LCD and 600 MHz processor with 3D accelerator. Galaxy Mini is of 3.14 inches screen size with QVGA TFT-LCD and 600 MHz processor. As for today all these phones are only available at Russia and be followed by rest of Europe and Asia soon