ES file manager comes with the ES Sender which allows us to easily share files and documents with our friends wirelessly without Wi-Fi or internet connection. See these steps to share files between Android phones using ES file explorer. If the recipient doesn’t have ES installed on his/her phone, you can even send the ES file explorer to him/her directly. No to download the app from Google Play or other Android market.
Launch ES on your phone, tap Sender to open the ES Sender as shown below.

You will see the Send and Receive buttons on this screen. Below these two buttons, there is a link titled ‘They didn’t install ES‘. Tap on this link to open the Share ES with friends screen like this.

Inform your friends to turn on Wi-Fi and join ES Sender. After that, visit the local IP address from their web browser. They can then download the ES app.
In order to install the APK file on Android phone, you have to turn on the option to allow installation of apps from third-party resources on Android phone.
Connect mobile phones via Personal Hotspot
Having trouble connecting up your mobile phones? Except the Wi-Fi hotspot created by ES file explorer app, you can also turn on the personal hotspot from system Settings and join other devices to it. Refer to this guide to turn on personal hotspot on Android phone.