TEGNA’s new smartphone apps offer vertical video, interactive weather forecasts and personalized news headlines. (Screen captures by The Desk)Key Points TEGNA is rolling out redesigned, personalized smartphone news apps across more than four dozen local TV stations in 60 markets. Local television broadcaster TEGNA is bringing personalization and interactivity to its news-focused smartphone apps. The new smartphone apps offer native vertical videos for news and information. The deal would create the largest local TV broadcaster in the country, and give Nexstar the biggest number of local TV stations affiliated with a major network.