3 ms·On my Android phone, at least, this can already be achieved with a double-tap of sorts.by davebees 11y agoOn my Android phone, at least, this can already be achieved with a double-tap of sorts.3dfan 11y agoYes, here too. But pressing might be more intuitive then double tapping.cpeterso 11y agoYou can zoom in and out with one finger on Google Maps by tapping and holding (1.5 taps?) the map and then sliding your finger up and down.