The application, "Memory Paths," allows individuals to navigate to graves in military cemeteries, giving users information about the fallen buried there.
Lubin was murdered in a stabbing attack carried out by a resident of east Jerusalem near Herod's Gate of the Old City in Jerusalem.
“Especially now, we must learn the lessons and truly understand that the internal threat within Israel is the most acute and dangerous threat of all," said President Isaac Herzog.
Crowds gathered at Mount Herzl Military Cemetery to pay their last respects at the funeral of Corporal Hillel Nehemiah Ofen, who recently died during a military training session.
A young man was playing a somber tune on a piano as dozens of people waited for the chanting of lamentations to start.
Amir was buried next to Sgt. First Class David Yehuda Yitzhak, the soldier who fell earlier this week during the operation in Jenin.
It allows the public to easily locate and navigate to specific grave sites in one of Israel's military cemeteries, some of which cover huge areas and are difficult to navigate.
This was reported after Lapid announced that he would not participate in the ceremony as a form of protest against the judicial reform and the government.
Many bereaved families especially oppose the participation in ceremonies of Knesset members or ministers who did not serve in the IDF.