Big Font - Change Font Size is a free android application developed by Eco Mobile. It is designed to help users with eyesight issues or those who find the default font size too small, to read text more easily and quickly on their cellphones or tablets. The app allows users to adjust their system font size from 100% to 240% (2.4 times bigger) with just one touch.

This app is user-friendly and has a very simple interface. It allows users to preview the font size before applying it and preview the exact percentage increased. The app also restores default font size with only one touch. Big Font - Change Font Size is a perfect app choice for the elderly and those who have difficulties reading small text.

To use this app, users need to open it, preview the text size for selection, choose the font size by touching the button "Apply," touch the button "Yes" to apply the change, and restart the device.

Overall, Big Font - Change Font Size is an excellent application that improves mobile user experience. If you are interested in helping to spread this app to help people with visual impairments or the elderly to have a better mobile user experience, you can rate it 5 stars and share it with your friends.