Kejriwal said the app would fill the information gap that exists regarding availability of facilities available for novel coronavirus patients.
In case you do not own a smartphone, the state government is also developing a website that can be used to access information.
During a televised address, CM Arvind Kejriwal also announced that barber shops and salons were now allowed to reopen. Spas, however, will remain closed for now.
Kejriwal asserted that he would be concerned only if two things happened -- either there is a significant increase in fatalities or the city's health care system collapses due to spike in COVID-19 cases.
The lieutenant governor has also written to the DDA, police and the municipal corporations to take measures proactively to ameliorate the sufferings of the people and the businesses.
Here is a list of what will be allowed to open and what remains shut in the national capital in Lockdown 4.0:
In a series of tweets, Kejriwal said that his government had utilised the lockdown period to prepare the city's healthcare system in case there is a spike in COVID-19 cases.
Chief Minister Arvind Kejriwal on Thursday said different economic activities will be allowed in the city from Monday based on decisions taken by the Centre on lockdown relaxation.
Delhi Chief Minister Arvind Kejriwal sought suggestions from people on lockdown relaxations post-May 17 on Tuesday and said his government will send a proposal on the same to the Centre
Delhi Chief Minister Arvind Kejriwal on Sunday appealed to migrant workers not to leave the city, saying the situation will revive once the lockdown is lifted and they will find work.
The chief minister said the government has also issued an order for requisition of ambulances of private hospitals, adding that the decision has been taken in the wake of shortage of state-run ambulances.
Chief Minister Arvind Kejriwal on Thursday condoled the death of a Delhi Police constable due to coronavirus and said his family will be provided with an ex gratia of Rs one crore.
Chief Minister Arvind Kejriwal has formed a team to monitor this Twitter handle. The team will gather live status of the situation in the government hospitals and provide authentic information on COVID-19, it said.
Addressing an online media briefing, Kejriwal said delivery of essential goods through e-commerce portals will continue in the national capital.
Some village associations in letters to authorities, including Chief Minister Arvind Kejriwal, have sought withdrawal of power bills of commercial establishments and announcement of additional subsidy for residential units in and around villages.
The announcement came days after the centre said that plasma therapy for treatment of coronavirus patients is at an experimental stage and it has the potential to cause life-threatening complications.
According to the health department, as many as 877 patients have been cured till now, while 54 have died of the disease. No fresh death has been reported in the last 24 hours.
No markets and malls will be allowed to open in the national capital and all shops in COVID-19 containment zones will remain shut, he said.
Addressing an online media briefing, Kejriwal said more clinical trials of plasma therapy will take place over the next two-three days, and his government will seek the Centre's nod next week for using the technique on all seriously ill COVID-19 patients in the city.
Addressing the media online, the chief minister said his government has set up a centre where free COVID-19 tests will be conducted on media persons.
Responding to a tweet in which a person requested the CM to arrange mass COVID-19 test for media persons in Delhi on the lines of the one carried out in Mumbai, Kejriwal said, "Sure. We will do that."
The chief minister cited the Tablighi Jamaat Markaz incident as the reason for the spread of the virus, pointing out that Delhi accounts for 12 per cent of the cases detected across country.
Addressing an online media briefing on the coronavirus outbreak, Kejriwal said that out of 2,274 samples tested, only 67 people tested positive for the novel virus on Friday.
The appeal comes in the wake of over 1,000 migrant workers in Mumbai defying the lockdown to gather in suburban Bandra, demanding that transport arrangements be made for them to go back to their native places.
Chief Minister Arvind Kejriwal on Tuesday said Delhi would fully implement lockdown measures announced by Prime Minister Narendra Modi to contain the COVID-19 spread.