This research aims to provide android applications to empower mathematics teachers' information and communication technology readiness. The purpose is to facilitate them, due to availability and widely distribution of Android devices, to support them in Bring Your Own Devices (BYOD) practice in mathematics education. The method used is survey to mathematics teachers followed by design and development of the applications. The survey results show six indicators of the Information and Communication Technology (ICT) readiness: (1) understanding ICT in education; (2) curriculum and assessment; (3) pedagogy; (4) ICT; (5) organization and administration; and (6) teacher professional learning, already achieved in the surveyed area. The applications developed, Guidelinks to facilitate the use of internet-accessible resources and LDSoft to document and share teachers' learning designs, are the result of mathematics teachers' need and researchers' capabilities analysis. Both purposed for use by mathematics teachers in internet-connected environment, either at school or home, that benefit for use in COVID-19 Pandemic situation. Teachers can be empowered to optimize the use of their own devices for use in teaching and learning practices.