In January, the Joe Biden administration unveiled a new tool to help migrants seeking asylum at U.S. borders. An expanded smartphone app managed by Customs and Border Protection now allows asylum seekers to schedule appointments to enter the country. But since this function launched, thousands of migrants coming from Latin America have been scrambling to sign up, and many have encountered technical glitches in the process. KPBS reporter Gustavo Solis spoke with migrants in Tijuana, Mexico, as they tried out the new system.