1) Go to (Android settings –> Apps) and Activate the Google Play Store.

2) Open the Google Play Store and download the App called “Downloader”

3) Open the Downloader App (see below)

2) Just type the link: eyecharts.org/oft

3) Click Go and wait the download to complete.

4) When requested, click to Install Eyecharts.

Obs.: May be necessary to enable Apps from Unknown Sources on Android Settings/configurations.