Application use to change font size system - change font size anywhere, anything. Change to large for old person or myope. Change to small for new style. Change font size system can change small font, big font, normal font. Big font free app is big font for android system.
1. Change font size system, font size everywhere, everything (sms, launcher, setting) from 50% to 300%
2. Add font size to favorite list
3. Support reset default font size.
4. Easy to change font size with seekbar control, circle control and list favorite
5. Some devices need restart to apply new text size system.