Phone-maker changes strategy.
New curved device ups the ante.
Phone-maker shows its hand at Mobile World Congress.
Spring Forward gathering comes a month before planned launch.
Rival to Apple product set to be detailed at Google I/O.
New platform designed to make secure Android use more popular.
New snaps emerge days before launch.
Just what is it going to take to shake-up the smartphone status quo?
Windows and BlackBerry had dismal 2014, according to analysts.
Twitter account reveals all ahead of official event.