Mobile device users are spending in mobile apps is continuing to grow; according to new data released this week by analytics firm Flurry, we’re up to 5 hours per day on our mobile devices. This follows on news from January that said the time spent in mobile apps had increased 69 percent year-over-year. Five hours per day is a 20 percent increase compared with the fourth quarter of 2015, and seems to come at the expense of mobile browser usage, which has dropped…