Installation was another battle. Android 4.4.2 required disabling the Install Unknown Apps setting for the APK file. A tutorial video helped him through the maze of settings. He muttered the phrase his wife used to say on bad days: "Poco a poco, todo se andará." (Bit by bit, everything can be done.) The app opened with a glitchy splash screen, but there it was: Lucía’s baby photos, tagged with hashtags like #BrazosLarguisimos and #CrecemosJuntos. His thumbs trembled as he typed a comment in Spanish, "Te amo más cada día, nena."