WATERLOO, Ontario (Reuters) - Research In Motion is pushing for app quality, not quantity, with its make-or-break BlackBerry 10 devices set for launch on January 30, and targeting applications to customers in various regions.RIM's projected 100,000 apps - a record for any new platform at launch - will still be a fraction of those available on Apple Inc or Google Inc devices.But it is a stronger showing than RIM's PlayBook tablet computer which was slammed at its 2011 launch for a dearth of apps and incomplete software.In an interview with Reuters on Wednesday, RIM Chief Executive Thorsten Heins admitted that app libraries play a crucial role