Do you have an insatiable app-etite? You’re not alone. We’re collectively downloading literally billions of …

Now playing: Watch this: Samsung Stratosphere (Verizon) 1:12 If you’re one for tracking “firsts,” add this to your list. The Samsung Stratosphere is Verizon’s first 4G LTE handset equipped with a QWERTY keyboard. As popular as all-touch-screen phones are, there’s still a strong argument for composing on a keyboard, and for the Stratosphere, that reason is business. The handset is …

Now playing: Watch this: LG Optimus Slider (Virgin Mobile) 0:54 SAN DIEGO–LG Optimus handsets here in the U.S. broke ground by proving that entry-level Android handsets need not be deprived of features. LG continues that mantra with the LG Optimus Slider, which as its name implies, adds a sliding QWERTY keyboard to the Optimus form factor. The LG Optimus Slider …